def _construct_expression(coeffs, opt):
    'The last resort case, i.e. use the expression domain. '
    (domain, result) = (EX, [])
    for coeff in coeffs:
        result.append(domain.from_sympy(coeff))
    return (domain, result)
The last resort case, i.e. use the expression domain.
def _construct_expression(coeffs, opt):
    ' '
    (domain, result) = (EX, [])
    for coeff in coeffs:
        result.append(domain.from_sympy(coeff))
    return (domain, result)