def print_time_diff_nosuffixes(diff):
    if diff is None:
        return '?'

    hours, rem = divmod(diff, 3600)
    minutes, seconds = divmod(rem, 60)
    return '{:02d}:{:02d}:{:02d}'.format(int(hours), int(minutes), int(seconds))
dataset/ETHPy150Open NVIDIA/DIGITS/digits/utils/time_filters.py/print_time_diff_nosuffixes/original