anchor.diff:    pythonnet = callPackage ../development/python-modules/pythonnet {
       # `mono >= 4.6` required to prevent crashes encountered with earlier versions.
       mono = pkgs.mono4;
  +    inherit (pkgs) pkgconfig;
     };
   
     pytz = callPackage ../development/python-modules/pytz { };
  
positive.code:     libglade = null;
    };
  
    pygtksourceview = callPackage ../development/python-modules/pygtksourceview { };
  
    pyGtkGlade = self.pygtk.override {
      libglade = pkgs.gnome2.libglade;
  
negative.code:   Logbook = callPackage ../development/python-modules/Logbook { };
  
    libversion = callPackage ../development/python-modules/libversion {
      inherit (pkgs) libversion pkgconfig;
    };
  
    libvirt = callPackage ../development/python-modules/libvirt {
  