New review comment by paper42 on void-packages repository

https://github.com/void-linux/void-packages/pull/34299#discussion_r758586517

Comment:
```
hostmakedepends="python3-setuptools"
depends="python3-parsing"
checkdepends="python3-future $depends"
```
It doesn't actually run any tests because the pypi tarball doesn't contain them and we can't switch the tarball source to github because they didn't publish 1.2.0 there: https://github.com/sciunto-org/python-bibtexparser/issues/287. But that shouldn't be a blocker.