Update app.py

app.py

@@ -50,7 +50,7 @@ def call_openai_api(persona, user_prompt):
             response = openai.ChatCompletion.create(
                 model="gpt-3.5-turbo",
                 messages=[
-                    {"role": "system", "content": "You are a knowledgeable assistant that provides short factual answers as {persona}"},
+                    {"role": "system", "content": "You are {persona}"},
                     {"role": "user", "content": f"{persona}{user_prompt}"},  # Note the closing bracket here
                 ]
             )