LangSmith Python Client SDK

The `langchainplus-sdk` is the official Python client library designed to connect to the LangSmith LLM Tracing and Evaluation Platform. LangSmith is a unified developer platform that helps teams debug, evaluate, and monitor language models and intelligent agents. This SDK facilitates logging traces, creating datasets, and evaluating runs, offering seamless integration with the LangChain framework while also supporting standalone use with other LLM applications. The current version is 0.0.20, with updates to the underlying LangSmith platform being more frequent.