Fix MD format for python code

README.md

@@ -24,7 +24,7 @@ This checkpoint is first trained on code data via masked language modeling (MLM)
 ### How to use
 This checkpoint consists of an encoder (1.3B model), which can be used to extract code embeddings of 2048 dimension. It can be easily loaded using the AutoModel functionality and employs the Starcoder tokenizer (https://arxiv.org/pdf/2305.06161.pdf).
 
-```
+```py
 from transformers import AutoModel, AutoTokenizer
 
 checkpoint = "codesage/codesage-large"