Memory leak in insert_pdf since version 1.18.15 (original) (raw)

Describe the bug

When I upgraded to version 1.18.15, I experienced an important memory leak.

I am using only insert_pdf to add one coverpage to a lot of PDF files.

To Reproduce

I don't have a code snippet, but if you simply run insert_pdf multiple times, I think you'll be able to reproduce.

Your configuration

I am on Debian 11

>>> print(sys.version, "\n", sys.platform, "\n", fitz.__doc__)
3.6.15 (default, Oct 15 2021, 11:06:43) 
[GCC 10.2.1 20210110] 
 linux 
 
PyMuPDF 1.18.15: Python bindings for the MuPDF 1.18.0 library.
Version date: 2021-07-10 00:00:01.
Built for Python 3.6 on linux (64-bit).

I also tested:

PyMuPDF 1.18.19: Python bindings for the MuPDF 1.18.0 library.
Version date: 2021-09-16 16:45:29.
Built for Python 3.6 on linux (64-bit).

And:

PyMuPDF 1.19.1: Python bindings for the MuPDF 1.19.0 library.
Version date: 2021-10-23 00:00:01.
Built for Python 3.6 on linux (64-bit).

Additional context

Here is the output of tracemalloc for a hundred calls of insert_pdf for different versions.

First, version 1.18.14, where there is no memory leak:

/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=250 KiB (+250 KiB), count=597 (+597), average=428 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=251 KiB (+250 KiB), count=598 (+597), average=429 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=261 KiB (+260 KiB), count=599 (+597), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=550 KiB (+549 KiB), count=1148 (+1145), average=490 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=728 KiB (+727 KiB), count=1697 (+1693), average=439 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=767 KiB (+765 KiB), count=1732 (+1727), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=1462 KiB (+1460 KiB), count=3103 (+3097), average=483 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=267 KiB (+265 KiB), count=604 (+597), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=279 KiB (+276 KiB), count=606 (+598), average=471 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=780 KiB (+777 KiB), count=2252 (+2242), average=355 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=264 KiB (+260 KiB), count=608 (+597), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=894 KiB (+890 KiB), count=1705 (+1693), average=537 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=770 KiB (+765 KiB), count=1740 (+1727), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=265 KiB (+260 KiB), count=611 (+597), average=444 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=636 KiB (+631 KiB), count=1708 (+1693), average=381 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=266 KiB (+261 KiB), count=613 (+597), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=281 KiB (+276 KiB), count=614 (+597), average=469 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=307 KiB (+302 KiB), count=615 (+597), average=512 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=1324 KiB (+1318 KiB), count=2809 (+2790), average=483 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=280 KiB (+273 KiB), count=617 (+597), average=464 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=257 KiB (+250 KiB), count=618 (+597), average=425 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=257 KiB (+250 KiB), count=619 (+597), average=425 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=269 KiB (+261 KiB), count=620 (+597), average=444 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=281 KiB (+273 KiB), count=621 (+598), average=464 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=640 KiB (+631 KiB), count=1718 (+1693), average=381 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=258 KiB (+250 KiB), count=623 (+597), average=425 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=736 KiB (+727 KiB), count=1720 (+1693), average=438 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=258 KiB (+248 KiB), count=643 (+615), average=411 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=270 KiB (+260 KiB), count=626 (+597), average=442 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=508 KiB (+497 KiB), count=1175 (+1145), average=442 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=284 KiB (+273 KiB), count=628 (+597), average=462 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=260 KiB (+250 KiB), count=629 (+597), average=424 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=313 KiB (+302 KiB), count=630 (+597), average=508 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=643 KiB (+631 KiB), count=1727 (+1693), average=381 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=705 KiB (+694 KiB), count=1727 (+1693), average=418 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=565 KiB (+553 KiB), count=1180 (+1145), average=490 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=565 KiB (+553 KiB), count=1181 (+1145), average=490 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=306 KiB (+293 KiB), count=634 (+597), average=494 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=261 KiB (+248 KiB), count=653 (+615), average=410 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=307 KiB (+293 KiB), count=636 (+597), average=494 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=263 KiB (+250 KiB), count=637 (+597), average=423 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=262 KiB (+248 KiB), count=657 (+616), average=409 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=279 KiB (+265 KiB), count=640 (+597), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=263 KiB (+248 KiB), count=659 (+615), average=409 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=1475 KiB (+1460 KiB), count=3142 (+3097), average=481 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=276 KiB (+260 KiB), count=643 (+597), average=439 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=309 KiB (+293 KiB), count=644 (+597), average=491 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=265 KiB (+250 KiB), count=644 (+597), average=422 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=281 KiB (+265 KiB), count=645 (+597), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=277 KiB (+261 KiB), count=646 (+597), average=440 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=266 KiB (+250 KiB), count=647 (+597), average=422 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=265 KiB (+248 KiB), count=666 (+615), average=408 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=282 KiB (+265 KiB), count=649 (+597), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=744 KiB (+727 KiB), count=1746 (+1693), average=437 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=908 KiB (+890 KiB), count=1747 (+1693), average=532 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=650 KiB (+631 KiB), count=1749 (+1694), average=380 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=712 KiB (+694 KiB), count=1750 (+1693), average=417 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=796 KiB (+777 KiB), count=2300 (+2242), average=354 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=746 KiB (+727 KiB), count=1752 (+1693), average=436 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=714 KiB (+694 KiB), count=1753 (+1693), average=417 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=322 KiB (+302 KiB), count=658 (+597), average=501 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=294 KiB (+273 KiB), count=659 (+597), average=457 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=592 KiB (+571 KiB), count=1208 (+1145), average=502 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=574 KiB (+553 KiB), count=1209 (+1146), average=487 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=303 KiB (+281 KiB), count=662 (+597), average=468 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=1483 KiB (+1460 KiB), count=3163 (+3097), average=480 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=2379 KiB (+2356 KiB), count=5597 (+5530), average=435 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=297 KiB (+273 KiB), count=665 (+597), average=457 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=572 KiB (+549 KiB), count=1214 (+1145), average=483 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=300 KiB (+276 KiB), count=667 (+597), average=460 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=1484 KiB (+1460 KiB), count=3168 (+3097), average=480 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=274 KiB (+250 KiB), count=669 (+597), average=420 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=318 KiB (+293 KiB), count=670 (+597), average=486 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=306 KiB (+281 KiB), count=671 (+597), average=467 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=327 KiB (+302 KiB), count=672 (+597), average=499 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=287 KiB (+260 KiB), count=673 (+597), average=436 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=288 KiB (+261 KiB), count=674 (+597), average=437 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=320 KiB (+293 KiB), count=675 (+597), average=486 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=1487 KiB (+1460 KiB), count=3176 (+3097), average=480 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=1488 KiB (+1460 KiB), count=3177 (+3097), average=480 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=722 KiB (+694 KiB), count=1774 (+1693), average=417 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=309 KiB (+281 KiB), count=679 (+597), average=466 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=756 KiB (+727 KiB), count=1776 (+1694), average=436 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=582 KiB (+553 KiB), count=1229 (+1145), average=485 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=583 KiB (+553 KiB), count=1230 (+1145), average=485 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=601 KiB (+571 KiB), count=1231 (+1145), average=500 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=601 KiB (+571 KiB), count=1232 (+1145), average=500 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=584 KiB (+553 KiB), count=1233 (+1145), average=485 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=528 KiB (+497 KiB), count=1234 (+1145), average=439 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=281 KiB (+250 KiB), count=687 (+597), average=419 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=663 KiB (+631 KiB), count=1784 (+1693), average=381 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=663 KiB (+631 KiB), count=1785 (+1693), average=381 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=726 KiB (+694 KiB), count=1786 (+1693), average=416 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=281 KiB (+248 KiB), count=709 (+615), average=406 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=294 KiB (+261 KiB), count=692 (+597), average=435 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=923 KiB (+890 KiB), count=1789 (+1693), average=528 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=531 KiB (+497 KiB), count=1242 (+1145), average=438 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=583 KiB (+549 KiB), count=1243 (+1145), average=480 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=665 KiB (+631 KiB), count=1792 (+1693), average=380 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4315: size=800 KiB (+765 KiB), count=1827 (+1727), average=448 B

Version 1.18.15, first apparition of the memory leak:

/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=261 KiB (+261 KiB), count=597 (+597), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=563 KiB (+302 KiB), count=1194 (+597), average=482 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=813 KiB (+250 KiB), count=1791 (+597), average=465 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=1590 KiB (+777 KiB), count=4033 (+2242), average=404 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=1870 KiB (+281 KiB), count=4630 (+597), average=414 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=2647 KiB (+777 KiB), count=6872 (+2242), average=394 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=3278 KiB (+631 KiB), count=8565 (+1693), average=392 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=4596 KiB (+1318 KiB), count=11355 (+2790), average=414 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=4898 KiB (+302 KiB), count=11952 (+597), average=420 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=5199 KiB (+302 KiB), count=12549 (+597), average=424 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=5472 KiB (+273 KiB), count=13146 (+597), average=426 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=6021 KiB (+549 KiB), count=14291 (+1145), average=431 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=6294 KiB (+273 KiB), count=14889 (+598), average=433 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=6988 KiB (+694 KiB), count=16582 (+1693), average=432 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=7765 KiB (+777 KiB), count=18824 (+2242), average=422 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=8013 KiB (+248 KiB), count=19438 (+615), average=422 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=8562 KiB (+549 KiB), count=20583 (+1145), average=426 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=9110 KiB (+549 KiB), count=21728 (+1145), average=429 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=9360 KiB (+250 KiB), count=22325 (+597), average=429 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=9857 KiB (+497 KiB), count=23470 (+1145), average=430 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=10130 KiB (+273 KiB), count=24067 (+597), average=431 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=10.2 MiB (+273 KiB), count=24664 (+597), average=432 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=10.4 MiB (+293 KiB), count=25261 (+597), average=434 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=10.7 MiB (+293 KiB), count=25858 (+597), average=435 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=11.0 MiB (+261 KiB), count=26455 (+597), average=435 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=11.2 MiB (+265 KiB), count=27052 (+597), average=436 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=11.5 MiB (+273 KiB), count=27649 (+597), average=437 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=12.1 MiB (+631 KiB), count=29342 (+1693), average=433 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=12.4 MiB (+276 KiB), count=29940 (+598), average=434 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=13.0 MiB (+631 KiB), count=31633 (+1693), average=431 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=13.9 MiB (+890 KiB), count=33326 (+1693), average=437 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=14.8 MiB (+890 KiB), count=35019 (+1693), average=442 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=15.0 MiB (+250 KiB), count=35616 (+597), average=442 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=15.3 MiB (+276 KiB), count=36213 (+597), average=442 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=15.9 MiB (+694 KiB), count=37905 (+1693), average=441 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=17.4 MiB (+281 KiB), count=41389 (+597), average=442 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=18.9 MiB (+1460 KiB), count=44486 (+3097), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=19.1 MiB (+276 KiB), count=45083 (+597), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=21.4 MiB (+2356 KiB), count=50614 (+5531), average=444 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=22.2 MiB (+777 KiB), count=52856 (+2242), average=440 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=22.4 MiB (+250 KiB), count=53453 (+597), average=440 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=22.7 MiB (+281 KiB), count=54050 (+597), average=441 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=24.0 MiB (+765 KiB), count=56922 (+1727), average=441 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=24.9 MiB (+694 KiB), count=59229 (+1693), average=440 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=25.1 MiB (+261 KiB), count=59826 (+597), average=440 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=25.4 MiB (+273 KiB), count=60424 (+598), average=441 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=25.9 MiB (+549 KiB), count=61569 (+1145), average=442 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=26.5 MiB (+571 KiB), count=62714 (+1145), average=443 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=27.4 MiB (+890 KiB), count=64407 (+1693), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=27.6 MiB (+261 KiB), count=65004 (+597), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=28.2 MiB (+571 KiB), count=66149 (+1145), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=28.4 MiB (+260 KiB), count=66746 (+597), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=29.3 MiB (+890 KiB), count=68439 (+1693), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=29.6 MiB (+273 KiB), count=69036 (+597), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=29.8 MiB (+261 KiB), count=69633 (+597), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=30.1 MiB (+302 KiB), count=70230 (+597), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=30.6 MiB (+549 KiB), count=71375 (+1145), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=31.1 MiB (+497 KiB), count=72520 (+1145), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=31.4 MiB (+260 KiB), count=73117 (+597), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=31.6 MiB (+250 KiB), count=73714 (+597), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=32.4 MiB (+777 KiB), count=75956 (+2242), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=33.1 MiB (+777 KiB), count=78197 (+2242), average=444 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=33.9 MiB (+765 KiB), count=79924 (+1727), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=34.5 MiB (+571 KiB), count=81070 (+1146), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=35.2 MiB (+765 KiB), count=82797 (+1727), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=35.7 MiB (+553 KiB), count=83942 (+1145), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=36.0 MiB (+260 KiB), count=84539 (+597), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=36.3 MiB (+281 KiB), count=85136 (+597), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=36.8 MiB (+553 KiB), count=86281 (+1145), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=38.2 MiB (+1460 KiB), count=89378 (+3097), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=38.5 MiB (+248 KiB), count=89993 (+615), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=39.2 MiB (+694 KiB), count=91686 (+1693), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=39.9 MiB (+727 KiB), count=93379 (+1693), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=40.1 MiB (+273 KiB), count=93975 (+597), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=40.4 MiB (+276 KiB), count=94572 (+597), average=448 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=44.4 MiB (+727 KiB), count=104349 (+1693), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=45.0 MiB (+571 KiB), count=105494 (+1145), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=45.9 MiB (+890 KiB), count=107187 (+1693), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=46.5 MiB (+694 KiB), count=108880 (+1693), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=46.8 MiB (+293 KiB), count=109477 (+597), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=47.5 MiB (+727 KiB), count=111170 (+1693), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=49.8 MiB (+2356 KiB), count=116700 (+5530), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=50.4 MiB (+553 KiB), count=117845 (+1145), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=50.9 MiB (+549 KiB), count=118990 (+1145), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=51.2 MiB (+261 KiB), count=119587 (+597), average=449 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4379: size=52.2 MiB (+765 KiB), count=121911 (+1727), average=449 B

Version 1.18.19, also with memory leak:

/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=890 KiB (+890 KiB), count=1693 (+1693), average=538 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=1832 KiB (+694 KiB), count=4001 (+1693), average=469 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=2082 KiB (+250 KiB), count=4598 (+597), average=464 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=2343 KiB (+261 KiB), count=5195 (+597), average=462 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=2608 KiB (+265 KiB), count=5792 (+597), average=461 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=3301 KiB (+694 KiB), count=7485 (+1693), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=4067 KiB (+765 KiB), count=9212 (+1727), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=4698 KiB (+631 KiB), count=10905 (+1693), average=441 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=5000 KiB (+302 KiB), count=11502 (+597), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=5726 KiB (+727 KiB), count=13196 (+1694), average=444 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=5987 KiB (+261 KiB), count=13793 (+597), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=6753 KiB (+765 KiB), count=15520 (+1727), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=7013 KiB (+260 KiB), count=16117 (+597), average=446 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=7816 KiB (+250 KiB), count=17859 (+597), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=8706 KiB (+890 KiB), count=19552 (+1693), average=456 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=9259 KiB (+553 KiB), count=20697 (+1145), average=458 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=9770 KiB (+260 KiB), count=21891 (+597), average=457 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=11.6 MiB (+302 KiB), count=26539 (+597), average=458 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=17.5 MiB (+694 KiB), count=40715 (+1693), average=451 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=18.0 MiB (+248 KiB), count=41945 (+615), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=18.3 MiB (+260 KiB), count=42542 (+597), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=19.6 MiB (+1318 KiB), count=45332 (+2790), average=452 B
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/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=22.2 MiB (+727 KiB), count=51123 (+1693), average=455 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=22.4 MiB (+250 KiB), count=51720 (+597), average=455 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=23.2 MiB (+777 KiB), count=53962 (+2242), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=24.5 MiB (+1318 KiB), count=56752 (+2790), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=25.8 MiB (+1318 KiB), count=59542 (+2790), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=26.5 MiB (+777 KiB), count=61784 (+2242), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=26.8 MiB (+302 KiB), count=62381 (+597), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=27.1 MiB (+293 KiB), count=62978 (+597), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=28.5 MiB (+1460 KiB), count=66076 (+3098), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=28.8 MiB (+276 KiB), count=66673 (+597), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=29.3 MiB (+497 KiB), count=67818 (+1145), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=29.8 MiB (+549 KiB), count=68963 (+1145), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=30.1 MiB (+261 KiB), count=69560 (+597), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=32.4 MiB (+2356 KiB), count=75090 (+5530), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=32.6 MiB (+261 KiB), count=75687 (+597), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=33.2 MiB (+553 KiB), count=76832 (+1145), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=33.4 MiB (+250 KiB), count=77428 (+597), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=33.7 MiB (+250 KiB), count=78025 (+597), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=34.2 MiB (+549 KiB), count=79170 (+1145), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=34.8 MiB (+571 KiB), count=80315 (+1145), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=35.2 MiB (+497 KiB), count=81460 (+1145), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=35.5 MiB (+291 KiB), count=82075 (+615), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=35.8 MiB (+302 KiB), count=82673 (+598), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=36.5 MiB (+727 KiB), count=84366 (+1693), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=37.1 MiB (+549 KiB), count=85511 (+1145), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=37.3 MiB (+250 KiB), count=86108 (+597), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=37.9 MiB (+631 KiB), count=87801 (+1693), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=38.5 MiB (+549 KiB), count=88946 (+1145), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=38.7 MiB (+276 KiB), count=89543 (+597), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=39.4 MiB (+727 KiB), count=91236 (+1693), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=39.7 MiB (+302 KiB), count=91833 (+597), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=40.2 MiB (+497 KiB), count=92977 (+1145), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=41.0 MiB (+765 KiB), count=94704 (+1727), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=41.5 MiB (+571 KiB), count=95849 (+1145), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=41.8 MiB (+261 KiB), count=96447 (+598), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=42.3 MiB (+497 KiB), count=97592 (+1145), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=43.5 MiB (+1318 KiB), count=100381 (+2790), average=455 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=44.0 MiB (+497 KiB), count=101526 (+1145), average=455 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=44.3 MiB (+261 KiB), count=102123 (+597), average=455 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=44.5 MiB (+248 KiB), count=102738 (+615), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=44.8 MiB (+281 KiB), count=103335 (+597), average=455 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=45.1 MiB (+260 KiB), count=103932 (+597), average=455 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=45.7 MiB (+631 KiB), count=105625 (+1693), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=46.3 MiB (+631 KiB), count=107318 (+1693), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=46.5 MiB (+250 KiB), count=107915 (+597), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=46.8 MiB (+293 KiB), count=108513 (+598), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=47.1 MiB (+250 KiB), count=109110 (+597), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=47.4 MiB (+291 KiB), count=109725 (+615), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=47.6 MiB (+276 KiB), count=110321 (+597), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=48.5 MiB (+890 KiB), count=112014 (+1693), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=48.7 MiB (+265 KiB), count=112611 (+597), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=49.0 MiB (+293 KiB), count=113208 (+597), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=49.7 MiB (+694 KiB), count=114901 (+1693), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=50.2 MiB (+497 KiB), count=116046 (+1145), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=50.8 MiB (+631 KiB), count=117739 (+1693), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=51.1 MiB (+293 KiB), count=118336 (+597), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=51.4 MiB (+291 KiB), count=118951 (+615), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4377: size=51.7 MiB (+276 KiB), count=119549 (+598), average=453 B

And finally, version 1.19.1, still with memory leak:

/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=571 KiB (+571 KiB), count=1157 (+1157), average=506 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=873 KiB (+302 KiB), count=1762 (+605), average=508 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=1640 KiB (+766 KiB), count=3507 (+1745), average=479 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=2530 KiB (+891 KiB), count=5216 (+1709), average=497 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=2781 KiB (+251 KiB), count=5821 (+605), average=489 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=3030 KiB (+249 KiB), count=6446 (+625), average=481 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=3323 KiB (+294 KiB), count=7051 (+605), average=483 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=3585 KiB (+261 KiB), count=7656 (+605), average=479 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=3861 KiB (+276 KiB), count=8261 (+605), average=479 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=4589 KiB (+728 KiB), count=9971 (+1710), average=471 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=4870 KiB (+281 KiB), count=10576 (+605), average=471 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=5131 KiB (+261 KiB), count=11181 (+605), average=470 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=5897 KiB (+766 KiB), count=12926 (+1745), average=467 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=6163 KiB (+265 KiB), count=13531 (+605), average=466 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=6413 KiB (+251 KiB), count=14136 (+605), average=465 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=7045 KiB (+632 KiB), count=15845 (+1709), average=455 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=7306 KiB (+261 KiB), count=16450 (+605), average=455 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=7587 KiB (+281 KiB), count=17054 (+605), average=456 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=7863 KiB (+276 KiB), count=17660 (+606), average=456 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=8157 KiB (+294 KiB), count=18265 (+605), average=457 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=8459 KiB (+302 KiB), count=18870 (+605), average=459 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=8709 KiB (+250 KiB), count=19475 (+605), average=458 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=9475 KiB (+766 KiB), count=21220 (+1745), average=457 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=10047 KiB (+571 KiB), count=22377 (+1157), average=460 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=10.6 MiB (+778 KiB), count=24638 (+2262), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=10.8 MiB (+281 KiB), count=25243 (+605), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=11.1 MiB (+274 KiB), count=25849 (+606), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=11.8 MiB (+728 KiB), count=27558 (+1709), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=12.4 MiB (+554 KiB), count=28715 (+1157), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=14.7 MiB (+2358 KiB), count=34289 (+5574), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=15.5 MiB (+891 KiB), count=35998 (+1709), average=453 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=16.1 MiB (+549 KiB), count=37155 (+1157), average=454 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=16.8 MiB (+694 KiB), count=38864 (+1709), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=17.5 MiB (+728 KiB), count=40573 (+1709), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=17.7 MiB (+249 KiB), count=41198 (+625), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=18.0 MiB (+294 KiB), count=41803 (+605), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=18.3 MiB (+281 KiB), count=42408 (+605), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=19.0 MiB (+778 KiB), count=44670 (+2262), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=19.8 MiB (+766 KiB), count=46415 (+1745), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=21.2 MiB (+1462 KiB), count=49540 (+3125), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=21.5 MiB (+281 KiB), count=50145 (+605), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=22.2 MiB (+778 KiB), count=52407 (+2262), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=22.5 MiB (+302 KiB), count=53012 (+605), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=22.8 MiB (+261 KiB), count=53617 (+605), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=23.3 MiB (+498 KiB), count=54774 (+1157), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=24.0 MiB (+778 KiB), count=57036 (+2262), average=442 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=24.3 MiB (+276 KiB), count=57641 (+605), average=442 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=24.9 MiB (+571 KiB), count=58798 (+1157), average=443 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=25.4 MiB (+571 KiB), count=59955 (+1157), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=25.7 MiB (+291 KiB), count=60579 (+625), average=445 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=26.6 MiB (+891 KiB), count=62288 (+1709), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=27.1 MiB (+554 KiB), count=63445 (+1157), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=27.4 MiB (+302 KiB), count=64050 (+605), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=27.7 MiB (+276 KiB), count=64655 (+605), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=27.9 MiB (+276 KiB), count=65260 (+605), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=28.2 MiB (+261 KiB), count=65865 (+605), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=28.9 MiB (+766 KiB), count=67610 (+1745), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=29.8 MiB (+891 KiB), count=69319 (+1709), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=30.6 MiB (+766 KiB), count=71064 (+1745), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=30.9 MiB (+302 KiB), count=71669 (+605), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=31.1 MiB (+281 KiB), count=72274 (+605), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=31.4 MiB (+276 KiB), count=72879 (+605), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=31.9 MiB (+549 KiB), count=74036 (+1157), average=452 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=34.2 MiB (+2358 KiB), count=79610 (+5574), average=451 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=34.9 MiB (+632 KiB), count=81319 (+1709), average=450 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=37.2 MiB (+2358 KiB), count=86893 (+5574), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=37.9 MiB (+778 KiB), count=89155 (+2262), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=38.2 MiB (+261 KiB), count=89760 (+605), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=38.4 MiB (+261 KiB), count=90365 (+605), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=38.7 MiB (+273 KiB), count=90970 (+605), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=39.0 MiB (+261 KiB), count=91575 (+605), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=39.6 MiB (+694 KiB), count=93284 (+1709), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=39.9 MiB (+265 KiB), count=93890 (+606), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=41.2 MiB (+1319 KiB), count=96704 (+2814), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=41.4 MiB (+265 KiB), count=97309 (+605), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=42.3 MiB (+891 KiB), count=99018 (+1709), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=42.9 MiB (+632 KiB), count=100726 (+1709), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=43.2 MiB (+276 KiB), count=101331 (+605), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=44.1 MiB (+891 KiB), count=103041 (+1710), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=44.4 MiB (+291 KiB), count=103666 (+625), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=44.6 MiB (+250 KiB), count=104271 (+605), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=45.4 MiB (+778 KiB), count=106533 (+2262), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=45.6 MiB (+251 KiB), count=107138 (+605), average=446 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=46.9 MiB (+1319 KiB), count=109952 (+2814), average=447 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=47.4 MiB (+549 KiB), count=111109 (+1157), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=47.7 MiB (+302 KiB), count=111713 (+605), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=48.0 MiB (+276 KiB), count=112318 (+605), average=448 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=48.5 MiB (+571 KiB), count=113475 (+1157), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=48.8 MiB (+291 KiB), count=114100 (+625), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=49.1 MiB (+249 KiB), count=114725 (+625), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=50.5 MiB (+1462 KiB), count=117850 (+3125), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=50.8 MiB (+274 KiB), count=118456 (+606), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=53.1 MiB (+2358 KiB), count=124030 (+5574), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=53.3 MiB (+273 KiB), count=124635 (+605), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=53.6 MiB (+302 KiB), count=125240 (+605), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=53.9 MiB (+273 KiB), count=125845 (+605), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=54.1 MiB (+251 KiB), count=126450 (+605), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=54.4 MiB (+302 KiB), count=127055 (+605), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=54.7 MiB (+249 KiB), count=127680 (+625), average=449 B
/home/maxocub/.virtualenvs/www/lib/python3.6/site-packages/fitz/fitz.py:4541: size=55.4 MiB (+778 KiB), count=129942 (+2262), average=447 B