Update utils.py

utils.py

@@ -18,7 +18,7 @@ from pygments import highlight
 from pygments.lexers import guess_lexer,get_lexer_by_name
 from pygments.formatters import HtmlFormatter
 import transformers
-from transformers import AutoTokenizer, AutoModelForCausalLM
+from transformers import AutoTokenizer, AutoModelForCausalLM, BitsAndBytesConfig,
 import datasets
 from datasets import load_dataset
 import evaluate