YM

Results 2 issues of YM

error when training a reward model

![image](https://user-images.githubusercontent.com/22050071/73608387-4d0d9680-45fd-11ea-9f2e-f9c546cdb4cb.png) error as above, thanks.

empty result for the example

3 comment

Hi, I run this example at my end (Windows 10): print CMUTweetTagger.runtagger_parse(['example tweet 1', 'example tweet 2']) no error but the result is '[[]]', empty I also specify the directory...