def _arg1_for_noncanonical(self, M):
        data, row, col = _same_sum_duplicate(M.data, M.row, M.col)
        return data, (row, col)
Error handling for controllers decorated with wsmeext.pecan.wsexpose:
dataset/ETHPy150Open scipy/scipy/scipy/sparse/tests/test_base.py/TestCOONonCanonical._arg1_for_noncanonical--crossover with--dataset/ETHPy150Open openstack/solum/solum/common/exception.py/wrap_wsme_pecan_controller_exception