code: def parse_security_group(self, global_params, region, security_group):
          
          name = security_group.pop('ClusterSecurityGroupName')
          security_group['name'] = name
          self.security_groups['name'] = security_group
docs: Parse a single Redsfhit security group
  
          :param global_params:           Parameters shared for all regions
          :param region:                  Name of the AWS region
          :param security)_group:         Security group