Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/22136#discussion_r212483950
--- Diff: python/pyspark/ml/tests.py ---
@@ -844,6 +844,28 @@ def test_string_indexer_from_labels(self):
.select(model_default.getOrDefault(model_default.outputCol)).collect()
self.assertEqual(len(transformed_list), 5)
+ def test_vector_size_hint(self):
--- End diff --
Thanks! FYI this still isn't really testing the return value of setSize,
but I think it's OK since we don't really do that anywhere else : P and I'm
confident in the above change.
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