Update app.py

app.py

@@ -5,7 +5,7 @@ openai.api_key = "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"
 
 messages = [{"role": "system", "content": "you are a brother to all"}]
 
-def CustomChatGPT(user_input):
+def GPTBhai(user_input):
     messages.append({"role": "user", "content": user_input})
     response = openai.ChatCompletion.create(
         model = "gpt-3.5-turbo",