Update rag_langchain.py

rag_langchain.py

@@ -1,4 +1,4 @@
-import logging, os, sys
+import os
 
 from langchain.callbacks import get_openai_callback
 from langchain.chains import LLMChain, RetrievalQA
@@ -14,19 +14,7 @@ from langchain.vectorstores import Chroma
 from langchain.vectorstores import MongoDBAtlasVectorSearch
 
 from pymongo import MongoClient
-
-#PDF_URL       = "https://arxiv.org/pdf/2303.08774.pdf"
-#WEB_URL       = "https://openai.com/research/gpt-4"
-#YOUTUBE_URL_1 = "https://www.youtube.com/watch?v=--khbXchTeE"
-#YOUTUBE_URL_2 = "https://www.youtube.com/watch?v=hdhZwyf24mE"
-
-#MONGODB_ATLAS_CLUSTER_URI = os.environ["MONGODB_ATLAS_CLUSTER_URI"]
-#MONGODB_DB_NAME           = "langchain_db"
-#MONGODB_COLLECTION_NAME   = "gpt-4"
-#MONGODB_INDEX_NAME        = "default"
-
-#logging.basicConfig(stream = sys.stdout, level = logging.INFO)
-#logging.getLogger().addHandler(logging.StreamHandler(stream = sys.stdout))
+from rag_base import BaseRAG
 
 class LangChainRAG(BaseRAG):
     MONGODB_DB_NAME = "langchain_db"