[fix] integration scheduler events

frappe/utils/scheduler.py

@@ -164,7 +164,7 @@ def get_scheduler_events(event):
 	if not scheduler_events:
 		scheduler_events = frappe.get_hooks("scheduler_events")
 		integration_events = get_integration_service_events()
-		for key, handlers in integration_events:
+		for key, handlers in integration_events.items():
 			scheduler_events.setdefault(key, []).extend(handlers)
 		frappe.cache().set_value('scheduler_events', scheduler_events)