# File lib/fog/network/openstack/requests/delete_security_group.rb, line 19
        def delete_security_group(security_group_id)
          response = Excon::Response.new
          if data[:security_groups][security_group_id]
            data[:security_groups].delete(security_group_id)
            response.status = 204
            response
          else
            raise Fog::Network::OpenStack::NotFound
          end
        end