#NEWLINE# def _f_copy( self , newparent = None , newname = None , overwrite = False , recursive = False , createparents = False , **kwargs ) : #NEWLINE# #INDENT# 'Do nothing.\n\n        This method does nothing, since `UnImplemented` nodes can not\n        be copied.  However, a ``UserWarning`` is issued.  Please note\n        that this method *does not return a new node*, but ``None``.\n\n        ' #NEWLINE# self . _g_copy ( newparent , newname , recursive , ** kwargs ) #NEWLINE# return None