Fix couple crashes in dmypy by ilevkivskyi · Pull Request #18098 · python/mypy (original) (raw)
These two are essentially variations of the same thing. Instead of adding e.g. types to SENSITIVE_INTERNAL_MODULES (which would be fragile and re-introduce same crashes whenever we add a new "core" module) I add all stdlib modules. The only scenario when stdlib changes is when a version of mypy changes, and in this case the daemon will be (or should be) restarted anyway.
While adding tests for these I noticed a discrepancy in --follow-imports=normal in the daemon: the files explicitly added on the command line should be always treated as changed, since otherwise we will not detect errors if a file was removed from command line in an intermediate run.
Finally the tests also discovered a spurious error when cache is disabled (via /dev/null).