This is ok for mypy:
from typing import Union
def foo(x: Union[int, str]):
if isinstance(x, int):
return x + 10
but how can I make it work if the isinstance test is in a function call?
from typing import Union
def check(x: Union[int, str]) -> bool:
return isinstance(x, int)
def foo(x: Union[int, str]):
if check(x):
return x + 10
I get:
foo.py:8: error: Unsupported operand types for + ("Union[int, str]" and "int")
gwerbin, Naddiseo, tarcisioe, iddan, WillAyd and 17 more
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