[bug#54515] [PATCH v4 2/3] gnu: python-lxml: Update to 4.7.1.

[Ludovic Courtès]

Chadwain Holness <chadwainholness@gmail.com> skribis:

> * gnu/packages/xml.scm (python-lxml): Update to 4.7.1.

Unfortunately this one has too many dependencies, as reported by
‘guix refresh -l python-lxml’.

So I can apply it on the ‘core-updates’ branch, but it won’t be merged
before a few months.  Or you can define it as a variant, and we’d keep
both versions in ‘master’.

WDYT?

Ludo’.