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[MRG+1] TST: estimator_checks: skip transform test when not implemented #6510

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[MRG+1] TST: estimator_checks: skip transform test when not implemented #6510

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3 changes: 2 additions & 1 deletion sklearn/utils/estimator_checks.py
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Original file line number Diff line number Diff line change
Expand Up @@ -536,7 +536,8 @@ def check_transformers_unfitted(name, Transformer):
with warnings.catch_warnings(record=True):
transformer = Transformer()

assert_raises((AttributeError, ValueError), transformer.transform, X)
if hasattr(transformer, "transform"):
assert_raises((AttributeError, ValueError), transformer.transform, X)


def _check_transformer(name, Transformer, X, y):
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