(self, tree)
:param tree: Data tree
        :returns: :class:`reconfigure.nodes.Node` tree
:param tree: Data tree
        :returns: :class:`reconfigure.nodes.Node` tree
: param tree : Data tree : returns : : class : reconfigure . nodes . Node tree
def unbuild(self, tree):
        """
        :param tree: Data tree
        :returns: :class:`reconfigure.nodes.Node` tree
        """
def unbuild ( self , tree ) :