Update custom-domain/dstack-ingress/scripts/dns_providers/route53.py

Author: kvinwang

custom-domain/dstack-ingress/scripts/dns_providers/route53.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 
-from functools import cached_property
 import os
 import sys
 from typing import List, Optional