[issue39938] RotatingFileHandler does not support any mode other than 'a'.

Change by Eric Govatos : -- title: RotatingFileHandler does not support any other mode than 'a'. -> RotatingFileHandler does not support any mode other than 'a'. ___ Python tracker <https://

[issue39938] RotatingFileHandler does not support any other mode than 'a'.

New submission from Eric Govatos : The RotatingFileHandler class located within lib/logging/handlers.py does not accept any other 'mode' value than its default value of 'a' - even when the parameter is supplied, such as 'ab', to append bytes, this is disregarde