Changed the type of the target key in the Details dictionary to represent an actual function

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Fixed
+
+- Changed the type of the `target` key in the `Details` dictionary to represent an actual function [#72](https://github.com/python-backoff/backoff/pull/72) (from [@edgarrmondragon](https://github.com/edgarrmondragon))
+
 ### Documentation
 
 - Switch to [Zensical for building the documentation](https://zensical.org/) [#62](https://github.com/python-backoff/backoff/pull/62) (from [@edgarrmondragon](https://github.com/edgarrmondragon))

backoff/_typing.py

@@ -1,6 +1,7 @@
 # coding:utf-8
 import logging
 import sys
+from types import FunctionType
 from typing import (
     Any,
     Callable,
@@ -27,7 +28,7 @@ def __init_subclass__(cls, **kwargs: Any) -> None:
 
 
 class _Details(TypedDict):
-    target: Callable[..., Any]
+    target: FunctionType
     args: Tuple[Any, ...]
     kwargs: Dict[str, Any]
     tries: int