@staticmethod
def str_timedelta(seconds):
    """
        Stringify a timedelta from seconds in form x h x min x s
        :param seconds: number of seconds
        :type seconds: int

        :return: timedelta from seconds in form x h x min x s
        :rtype: str
        """
    hour_minute = ''
    if seconds > 3600:
        hour_minute += str(int(seconds / 3600.0)) + ' h '
    if seconds > 60:
        hour_minute += str(int(seconds / 60) % 60) + ' min '
    return hour_minute + str(seconds % 60) + ' s'
