fix

Author: Kludex

src/mcp/server/context.py

@@ -1,7 +1,9 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from typing import Any, Generic, TypeVar
+from typing import Any, Generic
+
+from typing_extensions import TypeVar
 
 from mcp.server.experimental.request_context import Experimental
 from mcp.server.session import ServerSession