[WIP] ASR inference script to output hypotheses in sclite formats
This pull request **introduces 2 alerts** when merging 9c213ff48acc513dfd3b02654fa92fdd54b93341 into 75774cf24755bddb393e3b1a4cbcc1921daf8898 - [view on LGTM.com](https://lgtm.com/projects/g/NVIDIA/NeMo/rev/pr-29dea0dd8c242cb81d2215a8c6323dfb9f2b3347)

**new alerts:**

* 2 for Unused local variable