fix day

order-events/app/events/billing/append_enrollment.py

@@ -46,21 +46,22 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     data = enrollment_layer.collection.get_items(
         TransactKey(enrollment_id) + SortKey('0') + SortKey('author')
     )
-    created_at: datetime = fromisoformat(data['create_date'])  # type: ignore
 
     if not data:
         logger.debug('Enrollment not found')
         return False
 
+    logger.info('Enrollment found', data=data)
+
     # Keep it until the migration has been completed
     old_course = _get_course(data['course']['id'])
     if old_course:
         data['course'] = old_course
 
+    created_at: datetime = fromisoformat(data['create_date'])  # type: ignore
     start_date, end_date = get_billing_period(
-        new_image['billing_day'],
-        year=created_at.year,
-        month=created_at.month,
+        billing_day=new_image['billing_day'],
+        date_=created_at,
     )
     pk = 'BILLING#ORG#{org_id}'.format(org_id=org_id)
     sk = 'START#{start}#END#{end}'.format(