Update app/main.py

app/main.py

@@ -41,17 +41,14 @@ async def echo(message, history):
     messages = _translate_messages(history)
     messages.append({"role":"user", "content":message})
     
-    history.append([message, ""])
-    full_resp = ""    
-
     responses = await client.chat.completions.create(
         model="tgi", messages=messages, **parameters
     )
-    
+
+    full_resp = ""    
     async for resp in responses:
         full_resp = full_resp + resp.choices[0].delta.content
-        history[-1][1] = full_resp
-        yield history
+        yield full_resp
 
 demo = gr.ChatInterface(
     fn=echo,