shouldn't have deleted that variable

app.py

@@ -16,6 +16,7 @@ computer: you are an adventurer exploring the darkest dungeon
 player: enter dungeon
 """
 
+default_story="computer: you are standing in front of a dark dungeon.\n"
 
 def fallbackResponse():
     return "You are attacked by a {monster}!".format(monster=random.choice(monsters))
@@ -84,7 +85,7 @@ with demo:
     )
   
   with gr.Row():
-    output_story = gr.Textbox(value=story,label="story",lines=7)
+    output_story = gr.Textbox(value=default_story,label="story",lines=7)
 
   with gr.Row():  
     input_command = gr.Textbox(label="input",placeholder="look around")