def get_part_num(csv_reader):
    '''Get the part number from a row of the CSV file.'''
    part_num = get_nonblank_row(csv_reader)
    try:
        part_num = set(part_num)
        part_num.discard('')
        return part_num.pop()
    except __HOLE__:
        return None
dataset/ETHPy150Open xesscorp/KiPart/kipart/common.py/get_part_num