try a new prompt

app.py

@@ -10,7 +10,7 @@ def tell_us_about_yo_momma(category, topic):
     openai.api_key = openAI_key
 
     prompt = ""
-    prompt = f"Tell us a yo momma joke about her {category} and {topic}"
+    prompt = f"You are a comedian.  You are bold, cutting, and broadly appealing.  Tell us a yo momma joke about her {category} and {topic}"
    
     completions = openai.Completion.create(
         model="text-davinci-003",