Update app.py

app.py

@@ -9,7 +9,7 @@ import spacy
 from spacy import displacy
 import re
 import numpy as np
-from transformers import BlenderbotTokenizer, BlenderbotForConditionalGeneration
+#from transformers import BlenderbotTokenizer, BlenderbotForConditionalGeneration
 from azure.cosmos import CosmosClient
 from azure.cosmos.exceptions import CosmosHttpResponseError
 from pymongo import MongoClient