On Sunday, May 17, 2020 6:26:11 PM EDT Christian Kastner wrote: > In a recent version of src:scikit-learn, a workaround was added to > resolve an ImportMismatchError regarding one of the conftest.py files > used by pytest. > > I hit a new instance of this while preparing a new upstream release, so > I inquired [1] with pytest upstream as to why this could be happening. > > Apparently, the error is caused by the .pybuild directory being located > as a subfolder of the source directory. This leads to pytest finding two > separate sklearn/conftest.py files > * $SRCDIR/sklearn/conftest.py > * $SRCDIR/.pybuild/.../sklearn/conftest.py) > which triggers the ImportMisMatchError. > > Now, I've only seen this happen with src:scikit-learn, and (oddly > enough) only with 2 of 4 conftest.py files. The other two do not trigger > the error, nor do other packages of mine which use pytest. > > Has anyone seen something similar with their packages, or is anyone > aware of any recipes that can be used to resolve the issue properly? > > >From the GitHub issue, it seems as if the current practice of testing > > from within .pybuild is not supported by pytest, but I'm inclined to > believe that it is my approach that is flawed. > > [1] https://github.com/pytest-dev/pytest/issues/7223 > > Christian I think this would only happen if sys.path had been extended to include the main source directory. You may need to cd to $SRCDIR/.pybuild/.../sklearn before calling pytest or something may be inserting the source directory into sys.path. Scott K
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