'Return a function object suitable for the "get" side of the property
descriptor.'

@property
def _getter(self):

    def get_child_element(obj):
        child = obj.find(qn(self._nsptagname))
        if (child is None):
            raise InvalidXmlError(('required    ``<%s>``    child    element    not    present' % self._nsptagname))
        return child
    get_child_element.__doc__ = ('Required    ``<%s>``    child    element.' % self._nsptagname)
    return get_child_element
