Update chain_app.py

chain_app.py

@@ -1604,7 +1604,7 @@ async def main(message: cl.Message):
         result = client.predict(
     		query=message.content,
     		system="You are a helpful AI chatbot made by two iranian boys named Artin Daneshvar and Sadra Noadoust",
-    		api_name="/model_chat"
+    		api_name="/chat"
         )
         await cl.Message(
             content=result[1][0][1]