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Prediction label retrieval should be moved to after the first fit call #12267

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Prediction label retrieval should be moved to after the first fit call #12267

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2 changes: 1 addition & 1 deletion sklearn/utils/estimator_checks.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1290,10 +1290,10 @@ def check_clustering(name, clusterer_orig, readonly_memmap=False):

# fit
clusterer.fit(X)
pred = clusterer.labels_
# with lists
clusterer.fit(X.tolist())

pred = clusterer.labels_
assert_equal(pred.shape, (n_samples,))
assert_greater(adjusted_rand_score(pred, y), 0.4)
# fit another time with ``fit_predict`` and compare results
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