https://github.com/lhqing/cemba_data/blob/788e83cd66f3b556bdfacf3485bed9500d381f23/cemba_data/demultiplex/plateinfo_and_samplesheet.py#L94 I changed `ll = re.split(r' |,|\t', 'line')` to `ll = re.split(r' |,|\t', line)` and `yap make-sample-sheet` works