Fix for typing.

Author: mindflayer

mocket/mocks/mockhttp.py

@@ -2,7 +2,7 @@
 import time
 from functools import cached_property
 from http.server import BaseHTTPRequestHandler
-from typing import Callable
+from typing import Callable, Optional
 from urllib.parse import parse_qs, unquote, urlsplit
 
 from h11 import SERVER, Connection, Data
@@ -150,7 +150,7 @@ def __init__(
         method,
         responses,
         match_querystring: bool = True,
-        can_handle_fun: Callable | None = None,
+        can_handle_fun: Optional[Callable] = None,
     ):
         self._can_handle_fun = can_handle_fun if can_handle_fun else self._can_handle