Traceback (most recent call last):
File "/media/sf_d/WWPass/git/android/app/test.py", line 4, in <module>
import_module('A')
File "/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
File "/home/jolaf/git/typeguard/src/typeguard/_importhook.py", line 122, in exec_module
super().exec_module(module)
File "<frozen importlib._bootstrap_external>", line 883, in exec_module
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "/media/sf_d/WWPass/git/android/app/A.py", line 15, in <module>
f("", type = bool)
File "/media/sf_d/WWPass/git/android/app/A.py", line 3, in f
def f(
File "/home/jolaf/git/typeguard/src/typeguard/_functions.py", line 135, in check_argument_types
check_type_internal(value, annotation, memo)
File "/home/jolaf/git/typeguard/src/typeguard/_checkers.py", line 759, in check_type_internal
if not isinstance(value, origin_type):
File "/usr/lib/python3.10/typing.py", line 396, in __instancecheck__
raise TypeError(f"{self} cannot be used with isinstance()")
TypeError: typing.Optional cannot be used with isinstance()
from typing import Any, Callable, Optional
def f(
name: str,
default: Any = None,
type: Optional[type] = None,
help: Optional[str] = None,
metavar: Optional[str] = None,
multiple: bool = False,
group: Optional[str] = None,
callback: Optional[Callable[[Any], None]] = None,
) -> None:
pass
f("", type = bool)
Things to check first
I have searched the existing issues and didn't find my bug already reported there
I have checked that my bug is still present in the latest release
Typeguard version
4.0.0rc2 master
Python version
3.10.6
What happened?
How can we reproduce the bug?
test.py:A.py:Run: