Update app.py

app.py

@@ -3,11 +3,11 @@ from extract_app import extract_information
 
 
 @cl.on_chat_start
-async def start():
+def start():
     """
     This is called when the Chainlit chat is started!
     """
-    await cl.Message("Welcome to the information extraction chat!")
+    cl.Message("Welcome to the information extraction chat!")
 
 @cl.on_message
 def main(message: cl.Message):