#NEWLINE# @ gen . coroutine #NEWLINE# def _Account( self ) : #NEWLINE# #INDENT# 'Makes accounting changes:\n       1. Decrease user accounting by size of viewpoint.\n    ' #NEWLINE# acc_accum = AccountingAccumulator ( ) #NEWLINE# ( yield acc_accum . RemoveViewpoint ( acc_accum . _client , self . _user_id , self . _viewpoint_id ) ) #NEWLINE# ( yield acc_accum . Apply ( self . _client ) )