def __init__(self, *args, **kargs):
    super(ShellProcess, self).__init__(*args, **kargs)
    self.config = Properties()
Transform rows via an arbitrary function. E.g.::
dataset/ETHPy150Open bloomreach/briefly/src/briefly/shell.py/ShellProcess.__init__--crossover with--dataset/ETHPy150Open alimanfoo/petl/petl/transform/maps.py/rowmap