[GitHub] [spark] HyukjinKwon commented on a diff in pull request #42309: [SPARK-44644][PYTHON] Improve error messages for Python UDTFs with pickling errors

["HyukjinKwon (via GitHub)" <gi...@apache.org>]

HyukjinKwon commented on code in PR #42309:
URL: https://github.com/apache/spark/pull/42309#discussion_r1282591356


##########
python/pyspark/cloudpickle/cloudpickle_fast.py:
##########
@@ -631,7 +631,7 @@ def dump(self, obj):
         try:
             return Pickler.dump(self, obj)
         except RuntimeError as e:
-            if "recursion" in e.args[0]:
+            if len(e.args) > 0 and "recursion" in e.args[0]:

Review Comment:
   We should also fix this at https://github.com/cloudpipe/cloudpickle. This file is exactly matched with cloudpickle release.



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