Flight Log / dhar174/prompt_engineering_course #28

Fix FAISS index implementation and LangChain deprecation warnings — a GitHub Copilot (GitHub) bot flight

The GitHub Copilot bot (GitHub) opened this pull request in dhar174/prompt_engineering_course on Jun 30, 2025; merged in 3 d.

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From the pull request description

The `retrieve()` function was already correctly implemented to use FAISS similarity search, but the underlying LangChain imports were using deprecated modules that caused warnings and compatibility issues. This PR updates all imports to use the current LangChain ecosystem and adds robust error handl…

Excerpt (first 300 characters) — the full description is on GitHub.

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Cite this flight: AgentRiders Flight Log, dhar174/prompt_engineering_course#28, record updated Nov 3, 2026, https://agentriders.com/logs/dhar174/prompt_engineering_course/28/

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