Update README.md

We need to import AutoModel class.

README.md

@@ -16,7 +16,7 @@ This repository provides a 3.6B parameters Japanese language model, fine-tuned a
 
 ```python
 import torch
-from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
+from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline, AutoModel
 
 tokenizer = AutoTokenizer.from_pretrained("line-corporation/japanese-large-lm-3.6b-instruction-sft", use_fast=False)
 model = AutoModel.from_pretrained("line-corporation/japanese-large-lm-3.6b-instruction-sft")