zhengruifeng commented on code in PR #53035:
URL: https://github.com/apache/spark/pull/53035#discussion_r2558214407
##########
python/pyspark/sql/pandas/typehints.py:
##########
@@ -156,7 +157,14 @@ def infer_pandas_eval_type(
def infer_arrow_eval_type(
sig: Signature, type_hints: Dict[str, Any]
-) -> Optional[Union["ArrowScalarUDFType", "ArrowScalarIterUDFType",
"ArrowGroupedAggUDFType"]]:
+) -> Optional[
+ Union[
+ "ArrowScalarUDFType",
+ "ArrowScalarIterUDFType",
+ "ArrowGroupedAggUDFType",
+ "ArrowGroupedAggIterUDFType",
Review Comment:
please add new tests for inference in `test_arrow_udf_typehints`
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