Update chain_app.py

chain_app.py

@@ -697,10 +697,12 @@ async def main(message: cl.Message):
         prompt_truncation='OFF',
         connectors=[],
         ) 
-        print(stream)
+        msg = cl.Message(content="")
 
-        # for event in stream:
-        #     await cl.Message(content=event.text).send()
+        for event in stream:
+            if event.event_type == 'text-generation':
+                await msg.stream_token(content=event.text)
+        await msg.send()