[dtensor] ufmt distributed._tensor (#89967)
cmd: `ufmt format torch/distributed/_tensor`
copy from Andrew:
Notes
For VSCode users,
Install ufmt: https://pypi.org/project/ufmt/
Install VSCode ufmt extension: https://marketplace.visualstudio.com/items?itemName=omnilib.ufmt
Include in settings.json:
```
{
"[python]": {
"editor.defaultFormatter": "omnilib.ufmt",
"editor.formatOnSave": true,
},
}
```
Pull Request resolved: https://github.com/pytorch/pytorch/pull/89967
Approved by: https://github.com/fduwjj
