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import pandas error for missing compression libraries · Issue #27575 · pandas-dev/pandas (original) (raw)

Code Sample

[dev]rbuhr:~% python Python 3.7.2 (default, Jul 24 2019, 19:27:42) [GCC 6.3.0 20170516] on linux Type "help", "copyright", "credits" or "license" for more information.

import pandas Traceback (most recent call last): File "", line 1, in File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/init.py", line 55, in from pandas.core.api import ( File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/core/api.py", line 24, in from pandas.core.groupby import Grouper, NamedAgg File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/core/groupby/init.py", line 1, in from pandas.core.groupby.generic import ( # noqa: F401 File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/core/groupby/generic.py", line 44, in from pandas.core.frame import DataFrame File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/core/frame.py", line 88, in from pandas.core.generic import NDFrame, _shared_docs File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/core/generic.py", line 71, in from pandas.io.formats.format import DataFrameFormatter, format_percentiles File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/io/formats/format.py", line 47, in from pandas.io.common import _expand_user, _stringify_path File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/site-packages/pandas/io/common.py", line 9, in import lzma File "/home/admin/.pyenv/versions/3.7.2/lib/python3.7/lzma.py", line 27, in from _lzma import * ModuleNotFoundError: No module named '_lzma'

Problem description

After installing pandas 0.25.0, I can't import the library because of missing compression libraries. First it returned the error message ModuleNotFoundError: No module named '_bz2'. I installed with sudo apt-get install libbz2-dev and tried again to get the error message from the code sample above, ModuleNotFoundError: No module named '_lzma'.

This was not an issue with the previous version of pandas and I tested by downgrading to pandas 0.24.0 and was able to import without the error messages. I feel like pandas should not prevent usage just because some optional compression programs are not installed, like the default behavior of the last version.

Expected Output

Output of pd.show_versions()

Unable to run because can't import pandas.