♻ Refactor dict value extraction to minimize key lookups `fastapi/utils.py` (#3139)
♻ Refactor dict value extraction to minimize key lookups `fastapi/utils.py` (#3139)

Co-authored-by: Sebastián Ramírez <668e2a3febf6a4b75056e840735926407962bc4e@gmail.com>
tiangolo/fastapi,tiangolo/fastapi,tiangolo/fastapi