def make_space(self, spaces=1):
        space_string = ''

        for i in range(spaces):
            space_string += ' '

        return space_string
deep copy
dataset/ETHPy150Open travishathaway/python-ach/ach/data_types.py/Ach.make_space--crossover with--dataset/ETHPy150Open uwescience/raco/raco/algebra.py/SingletonRelation.copy