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rerank.py

@@ -1,11 +1,12 @@
 # reranks the top articles from a given csv file
-from langchain_community.chat_models import ChatOpenAI
-from langchain_community.chains import RetrievalQA
-from langchain_community.document_loaders import CSVLoader
+from langchain_openai import ChatOpenAI
+from langchain_core.chains import RetrievalQA
+from langchain_community.document_loaders.csv_loader import CSVLoader
+
 from langchain_community.vectorstores import DocArrayInMemorySearch
 from langchain.indexes import VectorstoreIndexCreator
 from sentence_transformers import CrossEncoder, util
-from langchain_community.chains import RetrievalQAWithSourcesChain
+from langchain.chains.qa_with_sources.retrieval import RetrievalQAWithSourcesChain
 import pandas as pd
 import time