Github user superbobry commented on the issue:
https://github.com/apache/spark/pull/21157
> I think people do defined NamedTuples in Notebooks, so I'm going to stick
with -1.
@holdenk I understand your point, but there is still something we can do
without breaking existing code relying on namedtuple serialization. Option 1:
switch to cloudpickle as suggested by @HyukjinKwon. Option 2: #21180. What
would be your choice between the two?
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