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update langchain rag app final by sumau · Pull Request #759 · realpython/materials

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@sumau

@sumau sumau commented

Apr 24, 2026

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What changed?
Updated the final source code in langchain rag app to make sure it works as of April 2026

Where to put new files:

  • New files should go into a top-level subfolder, named after the article slug. For example: my-awesome-article

How to merge your changes:

  1. Make sure the CI code style tests all pass (+ run the automatic code formatter if necessary).
  2. Find an RP Team member on Slack and ask them to review & approve your PR.
  3. Once the PR has one positive ("approved") review, GitHub lets you merge the PR.
  4. 🎉

sumau added 2 commits

April 24, 2026 13:56
Add comment about risks of LLM generating database queries

@sumau sumau changed the title update langchair rag app final update langchain rag app final

Apr 24, 2026

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@sumau