runtime error

Exit code: 1. Reason: /usr/local/lib/python3.10/site-packages/smolagents/default_tools.py:116: RuntimeWarning: This package (`duckduckgo_search`) has been renamed to `ddgs`! Use `pip install ddgs` instead. self.ddgs = DDGS(**kwargs) Traceback (most recent call last): File "/app/app.py", line 7, in <module> from retriever import load_guest_dataset File "/app/retriever.py", line 3, in <module> from langchain.docstore.document import Document ModuleNotFoundError: No module named 'langchain'

Container logs: