import file mismatch in pytest

python pytest pytest-cov
vZ10 picture vZ10 · Dec 24, 2018 · Viewed 9.1k times · Source

I've got a file in the package with 'test' in its name and when I run pytest I got an error 

import file mismatch:
imported module 'my_project.my_file_test' has this __file__ attribute:
  /my_project/src/my_project/build/lib/python2.7/site-packages/foo/my_file_test.py
which is not the same as the test file we want to collect:
  /my_project/src/my_project/build/private/python2.7/lib/foo/my_file_test.py
HINT: remove __pycache__ / .pyc files and/or use a unique basename for your test file modules

If I remove 'test' from the file it works fine but unfortunately I can't change it.

So the question is how to tell pytest to ignore this file?

Answer

Mateusz picture Mateusz · May 26, 2020

In my case, it was missing __init__.py file in tests directory.

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