Update app.py

app.py

@@ -21,7 +21,8 @@ if not openai_api_key:
     raise ValueError("OPENAI_API_KEY environment variable is not set.")
 
 embeddings = OpenAIEmbeddings(openai_api_key=openai_api_key)
-db = FAISS.load_local("index.pkl", embeddings,allow_dangerous_deserialization=True)
+with open("index.pkl", "rb") as f:
+    db = faiss.read_index(f)
 
 def get_response_from_query(db, query, k=3):