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file:// format wasn't working with updates - it doesn't install as an editable dep move to tool.uv.sources with path= instead
langchain-deepseek
This package contains the LangChain integration with the DeepSeek API
Installation
pip install -U langchain-deepseek
And you should configure credentials by setting the following environment variables:
DEEPSEEK_API_KEY
Chat Models
ChatDeepSeek class exposes chat models from DeepSeek.
from langchain_deepseek import ChatDeepSeek
llm = ChatDeepSeek(model="deepseek-chat")
llm.invoke("Sing a ballad of LangChain.")