Fix code-block highlighting (#14)

- Fix code-block highlighting (b81021baf4f2a0542fc5827ee1766d2eb8d5553f)


Co-authored-by: Mishig Davaadorj <mishig@users.noreply.huggingface.co>

README.md

@@ -137,7 +137,7 @@ metrics:
 
 ## Use
 
-```bash
+```python
 # pip install -q transformers
 from transformers import AutoModelForSeq2SeqLM, AutoTokenizer