knock-knock fix

app.py

@@ -103,7 +103,7 @@ def transform_text(desc, openai_api_key, temperature, llm_chain, num_words,
             literary_style_str = "as a limerick"
         # elif literary_style == "Joke":
         #     literary_style_str = "as a very funny joke with a setup and punchline"
-        elif literary_style == "Knock-knock, ":
+        elif literary_style == "Knock-knock":
             literary_style_str = "as a very funny knock-knock joke"
 
     character_str = "as if written by The Old Lady Who Swallowed A Fly, "