#NEWLINE# def __init__( self ) : #NEWLINE# #INDENT# assert isinstance ( self , CompoundMixin ) , 'Missing CompoundMixin class' #NEWLINE# self . tags = { #NEWLINE# #INDENT# #NEWLINE# #UNINDENT# } #NEWLINE# self . count = 0 #NEWLINE# for name in ( 'modified' , ) : #NEWLINE# #INDENT# self . enable_callback ( name )