[issue46431] Trouble subclassing ExceptionGroup
Irit Katriel
report at bugs.python.org
Mon Jan 24 10:42:15 EST 2022
Irit Katriel <iritkatriel at gmail.com> added the comment:
The error message isn't always this bad:
>>> class Base:
... def __new__(cls, a, b, c):
... cls.newargs = (a,b,c)
...
...
>>> class Derived(Base):
... def __init__(self, x):
... super().__init__(x)
... self.initargs = (x,)
...
>>> Derived(1)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: Base.__new__() missing 2 required positional arguments: 'b' and 'c'
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<https://bugs.python.org/issue46431>
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