Dennis Sweeney <sweeney.dennis...@gmail.com> added the comment:
The PR changes behavior slightly:
def f():
class A:
def __lt__(self, other):
nonlocal x
x += 100
return True
a = A()
x = 1
print(a < x < 10)
x = 1
print(a < x and x < 10)
### Before ###
>>> f()
True
False
### After ###
>>> f()
False
False
So strictly speaking, this would be backwards-incompatible. But morally, I am
not totally sure.
----------
nosy: +Dennis Sweeney
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue45542>
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