langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- Pip install of langchain fails in python3.13t (nogil/free threading) due to orjson
- Issue: Deprecation warning guides users to langchain.agents, breaking stream_mode="messages" token streaming
- tool_search_tool_result parsing fails with streaming: empty tool call args despite valid partial_json
- Inconsistent/confusing `astream` returned `AsyncIterator`
- pretty_repr(html=True) does not always return HTML-formatted output for non-string content
- tool invocation fails to correctly recognize Pydantic v2 schema
- `aadd_texts() got multiple values for keyword argument 'ids'`
- Chunks after `batch_size` treated as non-existant
- [feature request] add 'role' field to BaseMessage to implement RBAC reasoning in LLM
- BaseTool cannot handle unbound functions with a "self" parameter.
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