Do I need to do anything special to use pyupgrade as a linter/formatter? From the [docs](https://www.pantsbuild.org/docs/reference-pyupgrade) it looks like I should be able to do something like

[pyupgrade]
args = "[--py39-plus]"

but pants doesn't seem to like the

[pyupgrade]

scope

13:32:54.73 [ERROR] Invalid scope [pyupgrade] in /Users/tdimiduk/eopt-core/pants.toml

I'm on

2.10

but I've also tried

2.11

and get the same error

also need to add it under

[GLOBAL]
backend_packages = [
  "pants.backend.experimental.python.lint.pyupgrade",
]

Right, that solved it, thanks!