def _get_redirect_user_url(self):
        # FIXME: raw_data is still none, is this wanted?
        return (None if self.raw_data is None else
                self.raw_data.get('_redirect_target'))
get the string representation of value attribute
dataset/ETHPy150Open mitsuhiko/fungiform/fungiform/forms.py/FormBase._get_redirect_user_url--crossover with--dataset/ETHPy150Open modflowpy/flopy/flopy/utils/util_array.py/Util2d.string