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Corrected grammar in error message #28973

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Corrected grammar in error message #28973

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5891b0c
Corrected grammar in error message
May 7, 2024
520dcb5
Merge branch 'main' into main
michaelrussell4 May 8, 2024
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2 changes: 1 addition & 1 deletion sklearn/preprocessing/_function_transformer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -194,7 +194,7 @@ def _check_inverse_transform(self, X):

if not all(np.issubdtype(d, np.number) for d in dtypes):
raise ValueError(
"'check_inverse' is only supported when all the elements in `X` is"
"'check_inverse' is only supported when all the elements in `X` are"
" numerical."
)

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4 changes: 2 additions & 2 deletions sklearn/preprocessing/tests/test_function_transformer.py
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Expand Up @@ -209,7 +209,7 @@ def inverse_func(X):
func=func, inverse_func=inverse_func, validate=False, check_inverse=True
)

msg = "'check_inverse' is only supported when all the elements in `X` is numerical."
msg = "'check_inverse' is only supported when all the elements in `X` are numerical."
with pytest.raises(ValueError, match=msg):
transformer.fit(data)

Expand Down Expand Up @@ -239,7 +239,7 @@ def test_function_transformer_with_dataframe_and_check_inverse_True():
)

df_mixed = pd.DataFrame({"a": [1, 2, 3], "b": ["a", "b", "c"]})
msg = "'check_inverse' is only supported when all the elements in `X` is numerical."
msg = "'check_inverse' is only supported when all the elements in `X` are numerical."
with pytest.raises(ValueError, match=msg):
transformer.fit(df_mixed)

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