#NEWLINE# def clone( self , data = None , shared_data = True , * args , **overrides ) : #NEWLINE# #INDENT# '\n        Overrides Dimensioned clone to avoid checking items if data\n        is unchanged.\n        ' #NEWLINE# with item_check ( ( ( not shared_data ) and self . _check_items ) ) : #NEWLINE# #INDENT# return super ( MultiDimensionalMapping , self ) . clone ( data , shared_data , * args , ** overrides )