Added langchain-qwq package documentation (Alibaba Cloud)

[yigit353]

LangChain QwQ allows non-Tongyi users to access thinking models with extra capabilities which serve as an extension to Alibaba Cloud.

Hi @ccurme I'm back with the updated PR this time with documentation and a finished package.

• PR title: "package: description"

  • Where "package" is whichever of langchain, community, core, etc. is being modified. Use "docs: ..." for purely docs changes, "infra: ..." for CI changes.
  • Example: "community: add foobar LLM"

• Description: adds documentation of langchain-qwq integration package. Also adds it to Alibaba Cloud provider

• Issue: I can't get any output from Qwen's thinking models QwQ series #30580 support return reasoning content for models like qwq in dashscope #30317 community: added support for Qwen's QwQ thinking model streaming and invoking #30579

• Dependencies: openai, json-repair

• Twitter handle: YigitBekir

• Add tests and docs: If you're adding a new integration, please include

  1. a test for the integration, preferably unit tests that do not rely on network access,
  2. an example notebook showing its use. It lives in docs/docs/integrations directory.

• Lint and test: Run make format, make lint and make test from the root of the package(s) you've modified. See contribution guidelines for more: https://python.langchain.com/docs/contributing/

Additional guidelines:

• Make sure optional dependencies are imported within a function.
• Please do not add dependencies to pyproject.toml files (even optional ones) unless they are required for unit tests.
• Most PRs should not touch more than one package.
• Changes should be backwards compatible.
• If you are adding something to community, do not re-import it in langchain.

If no one reviews your PR within a few days, please @-mention one of baskaryan, eyurtsev, ccurme, vbarda, hwchase17.

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Name	Status	Preview	Comments	Updated (UTC)
langchain	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 4, 2025 3:45pm

[yigit353]

Hi @eyurtsev it has been more than two days. Can you review the PR?

[ccurme]

Nice job on the standard tests!