Update app.py

app.py

@@ -33,7 +33,8 @@ used_model = "gemini-2.5-flash-preview-04-17"
 
 def model_response(message, history):
     chat = client.chats.create(model=used_model, history=history)
-    return response = chat.send_message(message)
+    response = chat.send_message(message)
+    return response
 
 print("Create test response work")
 def random_response(message, history):