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🐛 fix error on python 3.9+

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This commit is contained in:
yanyongyu 2021-12-06 11:27:25 +08:00
parent bbaf156826
commit a85ee6555f
1 changed files with 4 additions and 5 deletions
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9
nonebot/utils.py
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@ -6,7 +6,6 @@ import collections
import dataclasses
from functools import wraps, partial
from contextlib import asynccontextmanager
from typing_extensions import GenericAlias # type: ignore
from typing_extensions import ParamSpec, get_args, get_origin
from typing import (
Any,
@ -53,16 +52,16 @@ def generic_check_issubclass(
try:
return issubclass(cls, class_or_tuple)
except TypeError:
if get_origin(cls) is Union:
origin = get_origin(cls)
if origin is Union:
for type_ in get_args(cls):
if type_ is not type(None) and not generic_check_issubclass(
type_, class_or_tuple
):
return False
return True
elif isinstance(cls, GenericAlias):
origin = get_origin(cls)
return bool(origin and issubclass(origin, class_or_tuple))
elif origin:
return issubclass(origin, class_or_tuple)
raise