gaogaotiantian commented on code in PR #53757:
URL: https://github.com/apache/spark/pull/53757#discussion_r2683413372
##########
python/pyspark/core/rdd.py:
##########
@@ -1660,8 +1660,12 @@ def foreachPartition(self: "RDD[T]", f:
Callable[[Iterable[T]], None]) -> None:
def func(it: Iterable[T]) -> Iterable[Any]:
r = f(it)
+ if r is None:
+ # This is the officially supported case
+ return iter([])
try:
- return iter(r) # type: ignore[call-overload]
+ # We need to support generators because we used to
Review Comment:
Yeah I updated the comment.
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