- build also the documentation
- check for rdepends

  picca@ries:~$ dak rm -nR python-scientific
  Working... done.
  Will remove the following packages from unstable:

  mpich2python |      2.8-4 | amd64, armel, armhf, hurd-i386, i386, ia64, kfreebsd-amd64, kfreebsd-i386, mips, mipsel, powerpc, s390, s390x, sparc
  openmpipython |      2.8-4 | amd64, hurd-i386, i386, ia64, kfreebsd-amd64, kfreebsd-i386, powerpc, sparc
  python-mpi |      2.8-4 | all
  python-netcdf |      2.8-4 | amd64, armel, armhf, hurd-i386, i386, ia64, kfreebsd-amd64, kfreebsd-i386, mips, mipsel, powerpc, s390, s390x, sparc
  python-scientific |      2.8-4 | source, all
  python-scientific-doc |      2.8-4 | all

  Maintainer: Debian QA Group <packages@qa.debian.org>

  ------------------- Reason -------------------

  ----------------------------------------------

  Checking reverse dependencies...
  # Broken Depends:
  dolfin: python-dolfin
  fiat: python-fiat
  gpivtools: gpivtools-mpi
  sixpack/contrib: sixpack
