MAINT revert unecessary deprecation for permutation_importance module #15354
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In #14028, we face a
pytest
bug which confusingpermutation_importance
as a module and a function after the collection of the tests.permutation_importance.py
has been renamed to_permutation_importance.py
during the module privatization. However, we are raising a deprecation warning and creating apermutation_importance.py
module for that. This is unnecessary sincepermutation_importance.py
module is not existing in scikit-learn 0.21 and his only present in the master branch. Therefore, we can safely rename the module with the leading underscore without breaking people code and work around thepytest
bug.Note that it would be nice to get a minimal example to report to pytest regarding this issue.