Clean text.py and decode.py for API 2.0【cherry-pick 26853】#27958

Merged

guoshengCS merged 1 commit intoPaddlePaddle:release/2.0-rcfrom LiuChiachi:add-dy-decode-cherry-pick-2.0rc

Oct 17, 2020

+390-4,774

Commits on Oct 16, 2020

Clean text.py and decode.py for API 2.0 (PaddlePaddle#26853 )

guoshengCS
and
LiuChiachi
committed