Update app.py

app.py

@@ -55,6 +55,7 @@ def generate_response(query:str) -> str:
 # Chat Endpoint
 @app.route("/chat", methods=["POST"])
 def chat():
+    global request_count
     data = request.json
     api_key = data.get("api_key")
     message = data.get("message", "").strip()