def copy(self, other):
        self.grouping_list = other.grouping_list
        self.aggregate_list = other.aggregate_list
        self.updaters = other.updaters
        self.inits = other.inits
        self.state_scheme = other.state_scheme

        UnaryOperator.copy(self, other)
Package.save produces a .pptx with plausible contents
dataset/ETHPy150Open uwescience/raco/raco/algebra.py/GroupBy.copy--crossover with--dataset/ETHPy150Open scanny/python-pptx/tests/test_package.py/DescribePackage.it_can_save_itself_to_a_pptx_file