Update agent.py

agent.py

@@ -182,7 +182,7 @@ root_agent = LlmAgent(
     "invoke your tool 'responses_api' to retrieve the questions data. "
     "The questions data will be a list of dictionaries, each containing 'task_id', 'question', and 'file_name' fields. "
     "For each question in the data: "
-    "1. If file_name is not empty, the file can be accessed at https://agents-course-unit4-scoring.hf.space/files/{task_id} "
+    "1. If file_name is not empty, the file can be accessed at https://agents-course-unit4-scoring.hf.space/files/[TASK_ID] "
     "2. Use appropriate sub-agents based on question type (code_agent for coding, search_agent for web search, etc.) "
     "3. Provide a concise, direct answer for each question "
     "4. Return a dictionary with keys 'task_id' and 'submitted_answer' for each answer "
@@ -217,11 +217,14 @@ root_agent = LlmAgent(
 # )
 
 session_service = InMemorySessionService()
-# Create the default session synchronously
+
+# Create the default session synchronously (create_session is not async)
 try:
-    session = session_service.create_session(app_name=APP_NAME,
-                                            user_id=USER_ID,
-                                            session_id=SESSION_ID)
+    session = session_service.create_session(
+        app_name=APP_NAME,
+        user_id=USER_ID,
+        session_id=SESSION_ID
+    )
     print(f"✅ Default session created: {SESSION_ID}")
 except Exception as e:
     print(f"⚠️ Error creating default session: {e}")