Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/20487#discussion_r165873582
--- Diff: python/pyspark/sql/tests.py ---
@@ -2794,7 +2792,6 @@ def count_bucketed_cols(names,
table="pyspark_bucket"):
def _to_pandas(self):
from datetime import datetime, date
- import numpy as np
--- End diff --
This import seems not used in this function.
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