anchor.diff:      inherit stdenv fetchurl python;
     };
   
  -  pyqt4 = pyqt45;
  -  
     pyqt45 = import ../development/python-modules/pyqt {
  -    inherit stdenv fetchurl python sip;
  +    inherit stdenv fetchurl python;
       qt4 = qt45;
  +    sip = sip48;
     };
   
     pyqt47 = import ../development/python-modules/pyqt/4.7.nix {
  
positive.code:     inherit fetchurl stdenv ncurses;
    };
  
    calibre = import ../applications/misc/calibre {
      inherit stdenv fetchurl libpng imagemagick pkgconfig libjpeg fontconfig podofo
        qt4 makeWrapper unrar sip pyqt4 pil chmlib;
      python = python26Full;
      popplerQt4 = popplerQt45;
      inherit (python26Packages) mechanize lxml dateutil cssutils beautifulsoap;
    };
  
    carrier = builderDefsPackage (import ../applications/networking/instant-messengers/carrier/2.5.0.nix) {
  
negative.code:     inherit stdenv fetchurl rpm cpio python wirelesstools gettext;
    };
  
    sip48 = import ../development/python-modules/python-sip {
      inherit stdenv fetchurl python;
    };
  