New submission from Stefan Mihaila:
Here are a few counter-intuitive outputs:
>>> dict.fromkeys is dict.fromkeys
False
>>> id(dict.fromkeys) == id(dict.fromkeys)
True
>>> x=dict.fromkeys; id(x) == id(x)
True
>>> x=dict.fromkeys; id(x) == id(dict.fromkeys)
False
>>> x=dict.fromkeys; y=dict.fromkeys; id(x),id(y),id(dict.fromkeys)
(39888824, 39064632, 39065144)
>>> a=id(dict.fromkeys); x=dict.fromkeys; b=id(dict.fromkeys); a,b
(39888824, 39480568)
Attached is a failing test.
----------
files: is_on_classmethods.py
messages: 168967
nosy: mstefanro
priority: normal
severity: normal
status: open
title: `is' operator returns False on classmethods
versions: Python 3.3
Added file: http://bugs.python.org/file26978/is_on_classmethods.py
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