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[GH-ISSUE #609] [langchain]: Documentation fix: uv add langchain@pre does not work #98

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opened 2026-02-17 17:19:10 -05:00 by yindo · 0 comments
yindo commented 2026-02-17 17:19:10 -05:00
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Originally created by @viniciusvelasco on GitHub (Sep 20, 2025).
Original GitHub issue: https://github.com/langchain-ai/docs/issues/609

Type of issue

issue / bug

Language

Python

Description

Hi team 👋

I noticed a small issue in the installation instructions for using uv with LangChain alpha releases.

The current docs suggest:

uv add langchain@pre

However, this fails because @pre does not match the versioning scheme LangChain uses (0.3.0aX, 0.3.0bX, according to PEP 440).

The correct way to install the latest alpha release with uv is:

uv add --pre langchain


This works properly and pulls the latest alpha version from PyPI.

So I suggest updating the docs to replace langchain@pre with --pre.

Thanks for all the great work on LangChain 🚀
Originally created by @viniciusvelasco on GitHub (Sep 20, 2025). Original GitHub issue: https://github.com/langchain-ai/docs/issues/609 ### Type of issue issue / bug ### Language Python ### Description Hi team 👋 I noticed a small issue in the installation instructions for using `uv` with LangChain alpha releases. The current docs suggest: ```bash uv add langchain@pre However, this fails because @pre does not match the versioning scheme LangChain uses (0.3.0aX, 0.3.0bX, according to PEP 440). The correct way to install the latest alpha release with uv is: uv add --pre langchain This works properly and pulls the latest alpha version from PyPI. So I suggest updating the docs to replace langchain@pre with --pre. Thanks for all the great work on LangChain 🚀
yindo added the langchain label 2026-02-17 17:19:10 -05:00
yindo closed this issue 2026-02-17 17:19:10 -05:00
yindo changed title from [langchain]: Documentation fix: uv add langchain@pre does not work to [GH-ISSUE #609] [langchain]: Documentation fix: uv add langchain@pre does not work 2026-06-05 17:25:03 -04:00
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Reference: langchain-ai/docs#98
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