uv

7191865d - Improve the error message when a Python install request is not valid (#9783)

Improve the error message when a Python install request is not valid (#9783) ``` ❯ uv python install foo error: Cannot download managed Python for request: directory `foo` ❯ cargo run -q -- python install foo error: `foo` is not a valid Python download request; see `uv python help` for supported formats and `uv python list --only-downloads` for available versions ```