Update app.py

app.py

@@ -186,7 +186,7 @@ After calling a tool, I will provide you with the results to interpret for the u
         
         return tool_calls
     
-    async def process_message(self, user_message: str) -> Tuple[str, str]:
+    def process_message(self, user_message: str) -> Tuple[str, str]:
         """Process user message and handle tool calls"""
         tool_info = ""