units: update to 2.20.

srcpkgs/units/template

@@ -1,6 +1,6 @@
 # Template file for 'units'
 pkgname=units
-version=2.19
+version=2.20
 revision=1
 build_style=gnu-configure
 hostmakedepends="python3"
@@ -11,8 +11,8 @@ maintainer="Orphaned <orphan@voidlinux.org>"
 license="GPL-3.0-or-later"
 homepage="https://www.gnu.org/software/units/units.html"
 distfiles="${GNU_SITE}/${pkgname}/${pkgname}-${version}.tar.gz"
-checksum=4262136bdfc152b63ff5a9b93a7d80ce18b5e8bebdcffddc932dda769e306556
-python_version=2 #unverified
+checksum=c5e298c87516711f3bedb9315583bad0965c5d3d0bb587f9837a9af12a50fadc
+python_version=3
 
 post_install() {
 	# Tries to install to /usr/com/currency.units