Update README.md

README.md

@@ -25,6 +25,7 @@ Install the required libraries as follows:
 
 Execute the following python code:
 ```python
+from transformers import AutoTokenizer, AutoModelForCausalLM
 tokenizer = AutoTokenizer.from_pretrained(
     "pfnet/plamo-13b-instruct-nc",
     trust_remote_code=True,