HyukjinKwon commented on code in PR #58210:
URL: https://github.com/apache/spark/pull/58210#discussion_r3841062269
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python/pyspark/sql/connect/client/reattach.py:
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@@ -109,7 +109,7 @@ def __init__(
# Initial iterator comes from ExecutePlan request.
# Note: This is not retried, because no error would ever be thrown
here, and GRPC will only
# throw error on first self._has_next().
- self._metadata = metadata
+ self._metadata = list(metadata)
Review Comment:
Can we make _metadata itself a list?
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