相关疑难解决方法(0)

我有以下代码：

from typing import Callable

MyCallable = Callable[[object], int]
MyCallableSubclass = Callable[['MyObject'], int]

def get_id(obj: object) -> int:
    return id(obj)

def get_id_subclass(obj: 'MyObject') -> int:
    return id(obj)

def run_mycallable_function_on_object(obj: object, func: MyCallable) -> int:
    return func(obj)

class MyObject(object):
    '''Object that is a direct subclass of `object`'''
    pass

my_object = MyObject()

# works just fine
run_mycallable_function_on_object(my_object, get_id)

# Does not work (it runs, but Mypy raises the following error:)
# Argument 2 to "run_mycallable_function_on_object" has incompatible type "Callable[[MyObject], int]"; expected "Callable[[object], …