Fix TypeError

librespot/player/StateWrapper.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import typing
+
 from librespot.core import Session
 from librespot.dealer import DealerClient
 from librespot.player import Player
@@ -53,5 +55,5 @@ class StateWrapper(DeviceStateHandler.Listener, DealerClient.MessageListener):
         self._device.update_state(Connect.PutStateReason.NEW_DEVICE, 0,
                                   self._state)
 
-    def on_message(self, uri: str, headers: dict[str, str], payload: bytes):
+    def on_message(self, uri: str, headers: typing.Dict[str, str], payload: bytes):
         pass