Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/21467#discussion_r192539912 --- Diff: python/pyspark/util.py --- @@ -53,16 +53,11 @@ def _get_argspec(f): """ Get argspec of a function. Supports both Python 2 and Python 3. """ - - if hasattr(f, '_argspec'): - # only used for pandas UDF: they wrap the user function, losing its signature - # workers need this signature, so UDF saves it here - argspec = f._argspec - elif sys.version_info[0] < 3: + # `getargspec` is deprecated since python3.0 (incompatible with function annotations). --- End diff -- yea, I think the comment is for the else block.
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