Indented code so it only executes tag comparison for matching cird values

cloud/amazon/ec2_vpc.py

@@ -416,10 +416,11 @@ def create_vpc(module, vpc_conn):
                     add_subnet = False
 
                     # Check if AWS subnet tags are in playbook subnet tags
-                subnet_tags_extra = (set(csn.tags.items()).issubset(set(new_subnet_tags.items())))
+                    existing_tags_subset_of_new_tags = (set(csn.tags.items()).issubset(set(new_subnet_tags.items())))
                     # Check if subnet tags in playbook are in AWS subnet tags
-                subnet_tags_current = (set(new_subnet_tags.items()).issubset(set(csn.tags.items())))
-                if subnet_tags_extra is False:
+                    new_tags_subset_of_existing_tags = (set(new_subnet_tags.items()).issubset(set(csn.tags.items())))
+
+                    if existing_tags_subset_of_new_tags is False:
                         try:
                             for item in csn.tags.items():
                                 if item not in new_subnet_tags.items():
@@ -431,8 +432,8 @@ def create_vpc(module, vpc_conn):
                         except EC2ResponseError, e:
                             module.fail_json(msg='Unable to delete resource tag, error {0}'.format(e))
                     # Add new subnet tags if not current
-                subnet_tags_current = (set(new_subnet_tags.items()).issubset(set(csn.tags.items())))
-                if subnet_tags_current is not True:
+
+                    if new_tags_subset_of_existing_tags is False:
                         try:
                             changed = True
                             create_subnet_tag = vpc_conn.create_tags(csn.id, new_subnet_tags)