#NEWLINE# @ property #NEWLINE# def signature( self ) : #NEWLINE# #INDENT# ' Returns the ComponentIDs assigned to the input and output arguments\n\n        :rtype: tuple of (input, output). Input is a list of ComponentIDs.\n                output is a ComponentID\n        ' #NEWLINE# inp = [ a . component_id for a in self . _argument_widgets ] #NEWLINE# out = self . _output_widget . component_id #NEWLINE# return ( inp , out )