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## Summary - When `self._client` is `None` in `_create_chat_stream()`, the method silently produces an empty generator instead of failing. - The error only surfaces later as a misleading `"No data received from Ollama stream"` ValueError, making it difficult to diagnose the actual root cause (uninitialized client). - Changed to raise `RuntimeError` immediately with a clear message when the sync client is not initialized. ## Why this matters Users who hit this path see a confusing error message that points them in the wrong direction. An explicit error at the point of failure makes debugging straightforward. ## Test plan - [x] Added `test_create_chat_stream_raises_when_client_none` - [x] Existing tests still pass > This PR was authored with the help of AI tools. --------- Co-authored-by: Mason Daugherty <github@mdrxy.com>
langchain-ollama
Looking for the JS/TS version? Check out LangChain.js.
Quick Install
pip install langchain-ollama
🤔 What is this?
This package contains the LangChain integration with Ollama
📖 Documentation
For full documentation, see the API reference. For conceptual guides, tutorials, and examples on using these classes, see the LangChain Docs.
📕 Releases & Versioning
See our Releases and Versioning policies.
💁 Contributing
As an open-source project in a rapidly developing field, we are extremely open to contributions, whether it be in the form of a new feature, improved infrastructure, or better documentation.
For detailed information on how to contribute, see the Contributing Guide.