| Before this PR the `coverage_tool` automatically registered by `rules_python` |
| was visible outside the toolchain repository. This fixes it to be consistent |
| with `non-bzlmod` setups and ensures that the default `coverage_tool` is not |
| visible outside the toolchain repos. |
| |
| This means that the `MODULE.bazel` file can be cleaned-up at the expense of |
| relaxing the `coverage_tool` attribute for the `python_repository` to be a |
| simple string as the label would be evaluated within the context of |
| `rules_python` which may not necessarily resolve correctly without the |
| `use_repo` statement in our `MODULE.bazel`. |
