ddtrace 4.13.0rc3

on Python PyPI

Bug Fixes

• LLM Observability: Resolves a TypeError raised during streamed tool-call reconstruction when an OpenAI-compatible backend (e.g. DashScope/Qwen) e
  mits a tool-call delta with function.arguments or custom.input set to None instead of "".

• LLM Observability: Resolves an issue where the OpenAI and LiteLLM integrations reported zero cost for OpenRouter requests using a bring-your-own-ke
  y setup.