Update app.py

app.py

@@ -8,8 +8,8 @@ openai.api_key = os.getenv("mykey2")
 messages = [{"role": "system", "content": "You are a psychologist, author, and media commentator like Jordan B. Peterson"}]
 
 def CustomChatGPT(user_input):
-    messages.append({"role": "user", "content": user_input})
-    username = gr.Textbox(label="User name for logging", value="test_user")
+    messages.append({"role": "user", "content": user})
+    username = gr.Textbox(label="User name for logging", value="user_input")
     response = openai.ChatCompletion.create(
         model = "gpt-3.5-turbo",
         messages = messages