Update utils.py

utils.py

@@ -19,6 +19,7 @@ import base64
 from io import BytesIO 
 import urllib.parse
 import tempfile
+import uuid
 
 from transformers import pipeline, AutoModelForSeq2SeqLM, AutoTokenizer, AutoModelForCausalLM, GPTNeoForCausalLM, GPT2Tokenizer,  DistilBertTokenizer, DistilBertForQuestionAnswering
 from sentence_transformers import SentenceTransformer, util