Update app.py

app.py

@@ -10,6 +10,8 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # --- Basic Agent Definition ---
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
+
+sys_prompt = 'You are a friendly, humorous, all-knowing and all-powerful question-answering assistant. Please answer questions in the shortest possible words to ensure that the search tool does not exhaust the generator and avoid the StopIteration error.'
 class BasicAgent:
     def __init__(self):
         print("BasicAgent initialized.")
@@ -17,7 +19,8 @@ class BasicAgent:
         
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
-        response = self.agent.run(question)
+        messages = [{"role": "system", "content": sys_prompt},{"role": "user", "content": question}]
+        response = self.agent.run(messages)
         return response
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):