anchor.diff:      maintainers = [ lib.maintainers.ludo lib.maintainers.simons  ];
       platforms = lib.platforms.gnu;  # arbitrary choice
     };
  -})
  +}
  
positive.code:     # FIXME: Some of the tests want to run $out/bin/tahoe, which isn't usable
      # yet because it gets wrapped later on, in `postFixup'.
      export PYTHON_EGG_CACHE="$TMPDIR"
      python setup.py trial
    '';
  
    meta = {
  
negative.code: # store path. The problem appears to be non-fatal, but there's probably
  # some loss of functionality because of it.
  
  let
    name = "tahoe-lafs-1.8.3";
  in
  buildPythonPackage {
    inherit name;
    namePrefix = "";
  
    src = fetchurl {
      url = "http://tahoe-lafs.org/source/tahoe-lafs/snapshots/allmydata-tahoe-1.8.3.tar.bz2";
      sha256 = "00pm7fvwci5ncg2jhsqsl9r79kn495yni8nmr7p5i98f3siwvjd8";
    };
  
    # The patch doesn't apply cleanly to the current version.
    patches = [ /* ./test-timeout.patch */ ];
  
    configurePhase = ''
      echo "forcing the use of \`setuptools' 0.6c9 rather than an unreleased version"
  