Merge "Making --property as required when openstack flavor unset"

Author: Jenkins

openstackclient/compute/v2/flavor.py

@@ -295,6 +295,7 @@ def get_parser(self, prog_name):
             action='append',
             help='Property to remove from flavor '
                  '(repeat option to unset multiple properties)',
+            required=True,
         )
         parser.add_argument(
             "flavor",