If you are delighted, you can join us to maintain bedtools which would help you update pkg as soon as it update

see here https://github.com/BioArchLinux/Packages/blob/master/BioArchLinux/bedtools/PKGBUILD

python should be added to the build time dependencies: - Building main bedtools binary. done. - Creating executables for old CLI. /bin/bash: python: command not found make: *** [all] Error 127 Makefile:99: recipe for target 'all' failed ==> ERROR: A failure occurred in build(). Aborting... ==> ERROR: Makepkg was unable to build bedtools. 2.22.0 is out, see [1] for an up to date PKGBUILD which does not contain any namcap errors / warnings https://github.com/wookietreiber/PKGBUILDs/blob/master/bedtools/PKGBUILD