def nthword(n, sep=None):

    return lambda s: s.split(sep)[n]
Other exception from meth test in a loop
dataset/ETHPy150Open alimanfoo/petl/petl/util/misc.py/nthword--crossover with--dataset/ETHPy150Open skyostil/tracy/src/generator/Cheetah/Tests/NameMapper.py/VFN.test46