Get the group's creator

        :type group: str
        :param group: group name

        :rtype: list
        :return: creator userId

def get_group_creator(self, group):
        """
        Get the group's creator

        :type group: str
        :param group: group name

        :rtype: list
        :return: creator userId
        """
        data = {
            'name': group,
        }
        response = _fix_group(self.post('getGroupCreator', data))
        return response