argparse sources are packaged in .zip archive and therefore requires app-arch/unzip to extract. unzip is not listed as a dependency and will cause emerge to fail while unpacking with "unzip: command not found" Reproducible: Always
+ 15 Mar 2010; Sebastian Pipping <sping@gentoo.org> argparse-1.0.1.ebuild, + argparse-1.1.ebuild: + Add app-arch/unzip to build deps (bug #309375) +