Set type for gRPC context to grpc.aio.ServicerContext

rasa_sdk/grpc_server.py

@@ -113,7 +113,7 @@ async def Actions(self, request: ActionsRequest, context) -> ActionsResponse:
     async def Webhook(
         self,
         request: WebhookRequest,
-        context,
+        context: grpc.aio.ServicerContext,
     ) -> action_webhook_pb2.WebhookResponse:
         """Handle RPC request for the webhook.