[issue41397] Restore default implementation of __ne__ in Counter
Raymond Hettinger
report at bugs.python.org
Sun Jul 26 15:27:03 EDT 2020
Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:
> The current code returns NotImplemented for non-Counter.
> If we want to implement equality comparison with other
> class we have to override __ne__.
I'm fine with that. It is not an undue burden and it provides a nudge to be explicit and intentional about the decision.
Setting __ne__ = object.__ne__ is a neat trick, but it is surprising given
Counter's __mro__ and it loses the helpful docstring describing the effect of zero counts.
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