code: def sync_one(self, aws_syncr, amazon, key):
          
          key_info = amazon.kms.key_info(key.name, key.location)
          if not key_info:
              amazon.kms.create_key(key.name, key.description, key.location, key.grant, key.policy.document)
          else:
              amazon.kms.modify_key(key_info, key.name, key.description, key.location, key.grant, key.policy.document)
docs: Make sure this key is as defined