ENH Raise NotFittedError in get_feature_names_out for estimators that use OnetoOneFeatureMixin #25268
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Reference Issues/PRs
In issue #24916, we want to make the error message uniform in estimators when we call
get_feature_names_out
beforefit
. This PR works towards that issue and solves the inconsistencies in estimators that inherit from theOnetoOneFeatureMixin
Class.What does this implement/fix? Explain your changes.
The following estimators that inherit from the
OnetoOneFeatureMixin
class will raise the agreedNotFittedError
whenget_feature_names_out
is called beforefit
.Any other comments?
All tests successfully passed after the above estimators were removed from the whitelist.