Update src/chains/qa_chain_openai.py

src/chains/qa_chain_openai.py

@@ -1,8 +1,7 @@
-from langchain.vectorstores import Chroma
-from langchain.embeddings import OpenAIEmbeddings
-from langchain.document_loaders import PyPDFLoader
-from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.chat_models import ChatOpenAI
+from langchain_chroma import Chroma                       # Chroma moved here
+from langchain_openai import OpenAIEmbeddings, ChatOpenAI # OpenAI moved here
+from langchain_community.document_loaders import PyPDFLoader
+from langchain_text_splitters import RecursiveCharacterTextSplitter
 from langchain.chains import create_retrieval_chain
 from langchain.chains.combine_documents import create_stuff_documents_chain
 from src.agents.prompts import RAG_PROMPT