Guido van Rossum added the comment:
Simpler repro:
from collections import UserList
from typing import Sequence
class MyList(UserList, Sequence):
pass
isinstance(None, Sequence)
No progress yet in understanding. :-(
----------
_______________________________________
Python tracker <[email protected]>
<http://bugs.python.org/issue27014>
_______________________________________
_______________________________________________
Python-bugs-list mailing list
Unsubscribe:
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com