def qpbool(arg):
    return str(arg).lower() in _TRUTHY
Adds a binary is_weekend column to a pandas DataFrame 
dataset/ETHPy150Open dropbox/nsot/nsot/util/core.py/qpbool--crossover with--dataset/ETHPy150Open theusual/kaggle-seeclickfix-ensemble/Miroslaw/data_transforms.py/is_weekend