New submission from yesheng <sheng.1...@139.com>:
>>> set() in set()
False # should raise TypeError
>>> dict() in set()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unhashable type: 'dict'
>>> set() in dict()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unhashable type: 'set'
>>> dict() in dict()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unhashable type: 'dict'
>>> frozenset({1,2}) in {frozenset({1,2}), 3}
True
>>> {1,2} in {frozenset({1,2}), 3}
True # should raise TypeError
----------
messages: 370652
nosy: yesheng
priority: normal
severity: normal
status: open
title: "set() in set()" should raise TypeError: unhashable type: 'set'
type: behavior
versions: Python 3.8
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue40853>
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