def _get_pbo_units(self):
        scale, offset = self.meta['unit_conv']
        vec = self.val.val + offset
        vec *= scale
        return vec
Returns ``True`` if this model instance is a leaf node (it has no
dataset/ETHPy150Open OpenMDAO/OpenMDAO/openmdao/core/vec_wrapper.py/Accessor._get_pbo_units--crossover with--dataset/ETHPy150Open django-mptt/django-mptt/mptt/models.py/MPTTModel.is_leaf_node