def copy(self, other):
        self.sort_columns = other.sort_columns
        self.ascending = other.ascending
        UnaryOperator.copy(self, other)
Return a photo. Photos are in jpeg format, they can be viewed in
dataset/ETHPy150Open uwescience/raco/raco/algebra.py/OrderBy.copy--crossover with--dataset/ETHPy150Open miguelgrinberg/oreilly-flask-apis-video/camera/camera.py/get_photo