minor change in app.py

app.py

@@ -12,7 +12,7 @@ description = """
 
 prompt = 'Write a story. In the story, try to use the verb "fight", the noun "king" and the adjective "brave". Possible story:'
 
-def generate_text(input_prompt=prompt, max_len=200, top_k=10, temp=0.5, top_p=0.95):
+def generate_text(input_prompt="", max_len=200, top_k=10, temp=0.5, top_p=0.95):
     print('inputs: ')
     print('prompt:', prompt)
     print('max_len:', max_len)