Fixed flake8 error for import order

cloudbridge/cloud/providers/aws/services.py

@@ -1,4 +1,5 @@
 """Services implemented by the AWS provider."""
+import ipaddress
 import logging
 import string
 
@@ -6,8 +7,6 @@ from botocore.exceptions import ClientError
 
 import cachetools
 
-import ipaddress
-
 import requests
 
 import cloudbridge.cloud.base.helpers as cb_helpers