[issue33967] functools.singledispatch: Misleading exception when calling without arguments

[INADA Naoki]

Change by INADA Naoki <songofacandy at gmail.com>:


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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33967>
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