Github user holdenk commented on a diff in the pull request:
https://github.com/apache/spark/pull/18615#discussion_r127160628
--- Diff: python/pyspark/sql/functions.py ---
@@ -2087,10 +2087,13 @@ def _wrapped(self):
"""
Wrap this udf with a function and attach docstring from func
"""
- @functools.wraps(self.func)
+ assignments = tuple(a for a in functools.WRAPPER_ASSIGNMENTS if a
!= "__name__")
--- End diff --
I'd put a comment here saying what this is for just so that when we see
this next year we don't forget why we stripped out name from the things we
asked functools to assign.
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