Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21180#discussion_r184870575
--- Diff: python/pyspark/serializers.py ---
@@ -523,7 +523,21 @@ def namedtuple(*args, **kwargs):
for k, v in _old_namedtuple_kwdefaults.items():
kwargs[k] = kwargs.get(k, v)
cls = _old_namedtuple(*args, **kwargs)
- return _hack_namedtuple(cls)
+
+ import sys
+ f = sys._getframe(1)
--- End diff --
Yea but thing is, that the doc says this not guaranteed although most of
Python implementations look having it - there's a risk here we should take (it
could be broken in a specific implementation of Python although it sounds
unlikely). Is there any other way to avoid this?
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