Update app.py

app.py

@@ -1,10 +1,11 @@
 import gradio as gr
+import random
 
 def echo(message, history):
     choices = ["yes", "no"]
     #use random to select one of those messages
     random_word = random.choice(choices)
-	return message
+    return message
 print(random_word)
 
 chatbot = gr.ChatInterface(echo, type = "messages")