Message 132349 - Python tracker

> not x == 2 can be theoretically optimized to x != 2, ...

I don't think it can:

>>> class X:
...     def __eq__(self, other):
...             return True
...     def __ne__(self, other):
...             return True
... 
>>> x = X()
>>> 
>>> not x == 2
False
>>> x != 2
True
>>>