DOC Ensures that SplineTransformer passes numpydoc validation (#21248)

Pinky-Chaudhary · web-flow · commit cd87551a29d4 · 2021-10-07T12:32:10.000+02:00
* Remove SplineTransformer from DOCSTRING_IGNORE_LIST

* Fix numpydocs from SplineTransformer
diff --git a/maint_tools/test_docstrings.py b/maint_tools/test_docstrings.py
@@ -28,7 +28,6 @@
     "SpectralBiclustering",
     "SpectralCoclustering",
     "SpectralEmbedding",
-    "SplineTransformer",
     "StackingRegressor",
     "TransformedTargetRegressor",
 ]
diff --git a/sklearn/preprocessing/_polynomial.py b/sklearn/preprocessing/_polynomial.py
@@ -693,6 +693,7 @@ def get_feature_names(self, input_features=None):
         Returns
         -------
         output_feature_names : list of str of shape (n_output_features,)
+            Transformed feature names.
         """
         n_splines = self.bsplines_[0].c.shape[0]
         if input_features is None:

Original file line number	Diff line number	Diff line change
`@@ -28,7 +28,6 @@`
`28`	`28`	`"SpectralBiclustering",`
`29`	`29`	`"SpectralCoclustering",`
`30`	`30`	`"SpectralEmbedding",`
`31`		`- "SplineTransformer",`
`32`	`31`	`"StackingRegressor",`
`33`	`32`	`"TransformedTargetRegressor",`
`34`	`33`	`]`