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langchain - ✅(Solved) Fix invalid Python indentifier in init_chat_model docstring examples [1 pull requests, 2 comments, 2 participants]

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langchain-ai/langchain#37159•Fetched 2026-05-04 04:58:20
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retweet a good issue which was posted in a wrong place....

Several variable names are wrong and result in syntax errors in multiple example scripts of base.py files. Please find the attached to see it clearly.

<img width="719" height="389" alt="Image" src="https://github.com/user-attachments/assets/bf7343cc-4d5a-4177-b813-54331cf4c2a8" />

Error Message

Error Message and Stack Trace (if applicable)

Root Cause

retweet a good issue which was posted in a wrong place....

Several variable names are wrong and result in syntax errors in multiple example scripts of base.py files. Please find the attached to see it clearly.

<img width="719" height="389" alt="Image" src="https://github.com/user-attachments/assets/bf7343cc-4d5a-4177-b813-54331cf4c2a8" />

Fix Action

Fix / Workaround

  • This is a bug, not a usage question.
  • I added a clear and descriptive title that summarizes this issue.
  • I used the GitHub search to find a similar question and didn't find it.
  • I am sure that this is a bug in LangChain rather than my code.
  • The bug is not resolved by updating to the latest stable version of LangChain (or the specific integration package).
  • This is not related to the langchain-community package.
  • I posted a self-contained, minimal, reproducible example. A maintainer can copy it and run it AS IS.

PR fix notes

PR #37160: fix(core): fix multiple problematic variable names that result in syntax errors in multiple example scripts of base.py files

Description (problem / solution / changelog)

Fixes #37159

I reposted a good issue that was posted originally in a wrong repo and i proposed a pr to fix it. A very simple fix ngl. I fixed several typos that result in syntax errors.

Changed files

  • libs/langchain/langchain_classic/chat_models/base.py (modified, +2/-2)
  • libs/langchain_v1/langchain/chat_models/base.py (modified, +2/-2)

Code Example

wrong variable names so probably no need to reproduce it

---
RAW_BUFFERClick to expand / collapse

Submission checklist

  • This is a bug, not a usage question.
  • I added a clear and descriptive title that summarizes this issue.
  • I used the GitHub search to find a similar question and didn't find it.
  • I am sure that this is a bug in LangChain rather than my code.
  • The bug is not resolved by updating to the latest stable version of LangChain (or the specific integration package).
  • This is not related to the langchain-community package.
  • I posted a self-contained, minimal, reproducible example. A maintainer can copy it and run it AS IS.

Package (Required)

  • langchain
  • langchain-openai
  • langchain-anthropic
  • langchain-classic
  • langchain-core
  • langchain-model-profiles
  • langchain-tests
  • langchain-text-splitters
  • langchain-chroma
  • langchain-deepseek
  • langchain-exa
  • langchain-fireworks
  • langchain-groq
  • langchain-huggingface
  • langchain-mistralai
  • langchain-nomic
  • langchain-ollama
  • langchain-openrouter
  • langchain-perplexity
  • langchain-qdrant
  • langchain-xai
  • Other / not sure / general

Related Issues / PRs

https://github.com/langchain-ai/docs/issues/3845

Reproduction Steps / Example Code (Python)

wrong variable names so probably no need to reproduce it

Error Message and Stack Trace (if applicable)

Description

retweet a good issue which was posted in a wrong place....

Several variable names are wrong and result in syntax errors in multiple example scripts of base.py files. Please find the attached to see it clearly.

<img width="719" height="389" alt="Image" src="https://github.com/user-attachments/assets/bf7343cc-4d5a-4177-b813-54331cf4c2a8" />

System Info

pyyaml: 6.0.3 requests: 2.33.1 requests-toolbelt: 1.0.0 tenacity: 9.1.4 typing-extensions: 4.15.0 uuid-utils: 0.14.1 xxhash: 3.7.0 zstandard: 0.25.0

extent analysis

TL;DR

The issue can be fixed by correcting the wrong variable names in the example scripts of the base.py files.

Guidance

  • Review the attached image to identify the incorrect variable names in the example scripts.
  • Manually correct the variable names in the affected base.py files to resolve the syntax errors.
  • Verify the corrections by re-running the example scripts to ensure they execute without errors.
  • Consider submitting a pull request with the corrected code to prevent similar issues in the future.

Example

No code snippet is provided as the issue does not contain a specific code example that needs correction.

Notes

The issue lacks specific details about the incorrect variable names, so it's essential to carefully review the attached image to identify the errors.

Recommendation

Apply workaround: Manually correct the variable names in the example scripts, as the issue is not resolved by updating to the latest stable version of LangChain.

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langchain - ✅(Solved) Fix invalid Python indentifier in init_chat_model docstring examples [1 pull requests, 2 comments, 2 participants]