File "/tmp/nix-build-krita-4.0.0-pre2c.drv-0/krita-4.0.0-prealpha.2/cmake/modules/FindSIP.py", line 8, in <module>
    import sipconfig
ImportError: No module named sipconfig

{ python36, python36Packages, stdenv, lib, fetchurl, fetchpatch, cmake, extra-cmake-modules
, karchive, kconfig, kwidgetsaddons, kcompletion, kcoreaddons
, kguiaddons, ki18n, kitemmodels, kitemviews, kwindowsystem
, kio, kcrash
, boost, libraw, fftw, eigen, exiv2, lcms2, gsl, openexr
, openjpeg, opencolorio, vc, poppler_qt5, curl, ilmbase
, qtmultimedia, qtx11extras
}:

stdenv.mkDerivation rec {
  name = "krita-${version}";
  version = "4.0.0-pre2c";

  src = fetchurl {
    url = "https://download.kde.org/unstable/krita/4.0.0-prealpha.2/krita-4.0.0-prealpha.2.tar.gz";
    sha256 = "0q8mxz7d24m6aw3cdpx3ibc33ymi89rnvj0yd3sam44x7d32lyb0";
  };

  nativeBuildInputs = [ cmake extra-cmake-modules ];

#  propagateBuildInputs = with python36.withPackages(ps: [ps.sip ps.pyqt5]); [];
  propagateBuildInputs = [python36 python36Packages.sip python36Packages.pyqt5];
  buildInputs = [
    karchive kconfig kwidgetsaddons kcompletion kcoreaddons kguiaddons
    ki18n kitemmodels kitemviews kwindowsystem kio kcrash
    boost libraw fftw eigen exiv2 lcms2 gsl openexr
    openjpeg opencolorio vc poppler_qt5 curl ilmbase
    qtmultimedia qtx11extras
  ];

  NIX_CFLAGS_COMPILE = [ "-I${ilmbase.dev}/include/OpenEXR" ];

  meta = with lib; {
    description = "A free an open source painting application";
    homepage = https://krita.org/;
    maintainers = with maintainers; [ abbradar ];
    platforms = platforms.linux;
    license = licenses.gpl2;
  };
}