Py3.10 import compatibility

Author: ncoghlan

src/lmstudio/_ws_impl.py

@@ -20,10 +20,13 @@
     Coroutine,
     Callable,
     Generator,
-    Self,
     TypeAlias,
     TypeVar,
 )
+from typing_extensions import (
+    # Native in 3.11+
+    Self,
+)
 
 from anyio import create_task_group, move_on_after
 from httpx_ws import aconnect_ws, AsyncWebSocketSession, HTTPXWSException