Update app.py

app.py

@@ -15,8 +15,8 @@ from langchain.prompts import PromptTemplate
 from qdrant_client import QdrantClient
 from qdrant_client.http.models import Distance, VectorParams
 from sentence_transformers import SentenceTransformer
-from langchain_community.vectorstores.pgvector import PGVector
-from langchain_postgres import PGVector
+#from langchain_community.vectorstores.pgvector import PGVector
+#from langchain_postgres import PGVector
 from langchain_openai import OpenAIEmbeddings, ChatOpenAI
 from langchain_community.vectorstores import Qdrant
 from langchain_community.embeddings import HuggingFaceEmbeddings