'The \'remote\' :class:`.MapperProperty` referenced by this
:class:`.AssociationProxy`.
.. versionadded:: 0.7.3
See also:
:attr:`.AssociationProxy.attr`
:attr:`.AssociationProxy.local_attr`'

@property
def remote_attr(self):

    return getattr(self.target_class, self.value_attr)
