Update app.py

app.py

@@ -133,7 +133,7 @@ model_options = {
     "GPT-J": "gpt-j",
 }
     
-def start(model=None,types=None, text=None):
+def start(types=None, text=None):
     model = "Curie Instruct (OpenAI)"
     if not text or not types or not model:
         return "Error: Please supply an input"