#NEWLINE# def _has_changed( self , initial , data ) : #NEWLINE# #INDENT# if ( data is not None ) : #NEWLINE# #INDENT# initial = bool ( initial ) #NEWLINE# #UNINDENT# if ( data is not None ) : #NEWLINE# #INDENT# data = bool ( data ) #NEWLINE# #UNINDENT# return ( initial != data )