Update app.py

app.py

@@ -7,15 +7,11 @@ from sentence_transformers import SentenceTransformer
 #load the sentences data
 sentences_df = pd.read_pickle("./sentences_data.pkl")
 
-
-#load the model 
-model_name_or_path="semantic_search_model"
-model = SentenceTransformer(model_name_or_path)
-
 #load the index
 index = faiss.read_index("semantic_search_vector.index") 
 
 def question_answer(query):
+    model = SentenceTransformer('bert-base-nli-mean-tokens')
     k = 4
     xq = model.encode([query])
     D, I = index.search(xq, k)  # search