runtime error

Exit code: 1. Reason: Traceback (most recent call last): File "/app/app.py", line 3, in <module> from rag_utility import process_document_to_chroma_db, answer_question File "/app/rag_utility.py", line 8, in <module> from langchain.chains.retrieval_qa.base import RetrievalQA # FIXED: Updated import path ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ModuleNotFoundError: No module named 'langchain.chains'

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