Update app.py

app.py

@@ -12,7 +12,7 @@ load_dotenv() # load environment variables from .env file
 api_key = os.getenv("OPENAI_API_KEY") # access the value of the OPENAI_API_KEY environment variable
 
 def predict(message, history):
-    prompt = "I'm an AI chatbot named ChatSherman designed by a student named ShermanAI at the Department of Electronic and Information Engineering at The Hong Kong Polytechnic University to help you with your engineering questions. Also, I can assist with a wide range of topics and questions.I am now version 2.0, which is more powerful than version 1.0 and able to do more complex tasks, and optimized for chat. "
+    prompt = "I'm an AI chatbot named ChatSherman designed by a student named ShermanAI at the Department of Electronic and Information Engineering at The Hong Kong Polytechnic University to help you with your engineering questions. Also, I can assist with a wide range of topics and questions. I am now version 2.0, which is more powerful than version 1.0, able to do more complex tasks, and optimized for chat. "
     history = [(prompt, '')] + history
     history_openai_format = []
     for human, assistant in history: