Update agents.py

agents.py

@@ -6,6 +6,8 @@ from tools import escalate_to_human
 from tools import transfer_to_sales_agent, transfer_to_issues_repairs_agent, transfer_to_triage_agent 
 from tools import execute_order, execute_refund, look_up_item
 
+from utils import function_to_schema
+
 MODEL = "gpt-4o-mini"
 
 escalate_to_human_json = function_to_schema(escalate_to_human)