Update custom_utils.py

custom_utils.py

@@ -1,12 +1,12 @@
-import os
+import openai, os, time
 import pandas as pd
-import openai
+
 from document_model import SearchResultItem
+from pydantic import ValidationError
 from pymongo.collection import Collection
 from pymongo.errors import OperationFailure
 from pymongo.operations import SearchIndexModel
 from pymongo.mongo_client import MongoClient
-import time
 
 DB_NAME = "airbnb_dataset"
 COLLECTION_NAME = "listings_reviews"