#NEWLINE# def fetchMore( self , index ) : #NEWLINE# #INDENT# 'fetches more elements\n        ' #NEWLINE# logger . debug ( ( 'TaskTreeModel.canFetchMore() is started for index: %s' % index ) ) #NEWLINE# if index . isValid ( ) : #NEWLINE# #INDENT# item = self . itemFromIndex ( index ) #NEWLINE# item . fetchMore ( ) #NEWLINE# #UNINDENT# logger . debug ( ( 'TaskTreeModel.canFetchMore() is finished for index: %s' % item ) )