[issue39665] Cryptic error message when creating types that don't include themselves in their MRO

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

Yes, I got the same error message when tried to get such class.

super() is called implicitly by the type constructor to call __init_subclass__ on the parent of a newly generated type.

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nosy: +serhiy.storchaka

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39665>
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