New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/27000#issuecomment-741838451

Comment:
The build is doing

```
WARNING: The pip package is not available, falling back to EasyInstall for handling setup_requires/test_requires; this is deprecated and will be removed in a future version.
```

Would you mind looking at those requirements and adding them to `hostmakedepends`?