#NEWLINE# def post_live_migration( self , context , instance , block_device_info , migrate_data = None ) : #NEWLINE# #INDENT# 'Post operation of live migration at source host.\n\n        :param context: security context\n        :instance: instance object that was migrated\n        :block_device_info: instance block device information\n        :param migrate_data: a XenapiLiveMigrateData object\n        ' #NEWLINE# self . _vmops . post_live_migration ( context , instance , migrate_data )