def get_test_contract(name):
    contract_path = os.path.abspath(
        os.path.join(os.path.dirname(__file__), "..", "smart_contracts", name)
    )
    contracts = compile_files_cwd([contract_path])

    return contract_path, contracts
def __add__(self, other):
        assert self.n_classes == other.n_classes, "Number of classes does not match"
        return MulticlassContingencyTable(self.table + other.table,
                                          n_classes=self.n_classes,
                                          class_names=self.class_names)