Update app.py

app.py

@@ -30,11 +30,11 @@ def chat(
         prompt=user_input,
         max_gen_len=max_gen_len,
         temperature=temperature,
-        top_p=top_p)
+        top_p=top_p)[0]
 
     # remove the first phrase identical to user prompt
     if not include_input:
-        bot_response = bot_response[0][len(user_input):]
+        bot_response = bot_response[len(user_input):]
     bot_response = bot_response.replace("\n", "<br>")
     
     # trip the last phrase