HeartSaVioR commented on code in PR #50110:
URL: https://github.com/apache/spark/pull/50110#discussion_r1974719696
##########
python/pyspark/sql/pandas/serializers.py:
##########
@@ -1223,8 +1223,17 @@ def dump_stream(self, iterator, stream):
Read through an iterator of (iterator of pandas DataFrame), serialize
them to Arrow
RecordBatches, and write batches to stream.
"""
- result = [(b, t) for x in iterator for y, t in x for b in y]
- super().dump_stream(result, stream)
+
Review Comment:
nit: linter asked me to have an empty line here - probably due to inner
function?
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