from typing import ( AsyncGenerator, AsyncIterator, Callable, Coroutine, Generator, TypeVar, Union, ) RETURN_TYPE = TypeVar("RETURN_TYPE") DependencyCallable = Callable[ ..., Union[ RETURN_TYPE, Coroutine[None, None, RETURN_TYPE], AsyncGenerator[RETURN_TYPE, None], Generator[RETURN_TYPE, None, None], AsyncIterator[RETURN_TYPE], ], ]