FileNotFoundError: Make sure that your data follows the standard format supported by JointIntentSlotDataset.
To Author:
Now I am using your intent_slot_classification.py. The model could be trained, however, the FileNotFoundError was shown. I just discovered you add the inference part. 
![ERROR](https://user-images.githubusercontent.com/8537280/97674424-772ab100-1ac8-11eb-8dd3-444bf947f27b.PNG)


Jonathan Sung