New submission from Chris Cordero <ccord...@protonmail.com>:
Frozensets disallow the .update and the .__ior__ methods from being used, but
allows the |= operator, which I think is inconsistent with the disallowed
methods†.
```
foo = frozenset()
print(foo) # frozenset()
foo.update({"hello"}) # AttributeError, expected
foo.__ior__({"hello"}) # AttributeError, expected
foo |= {"hello"} # No error
print(foo) # frozenset({"hello"})
```
----------
messages: 369470
nosy: cs-cordero
priority: normal
severity: normal
status: open
title: frozensets should not allow the |= operator
type: behavior
versions: Python 3.8
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue40702>
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