anchor.diff:  in
   
   stdenv.mkDerivation rec {
  -  name = "gst-plugins-good-1.8.1";
  +  name = "gst-plugins-good-1.8.2";
   
     src = fetchurl rec {
       url = "https://gstreamer.freedesktop.org/src/gst-plugins-good/${name}.tar.xz";
       sha256Url = "${url}.sha256sum";
  -    sha256 = "2103e17921d67894e82eafdd64fb9b06518599952fd93e625bfbc83ffead0972";
  +    sha256 = "8d7549118a3b7a009ece6bb38a05b66709c551d32d2adfd89eded4d1d7a23944";
     };
   
     nativeBuildInputs = [
  -    python
  +    pythonPackages.python
     ];
   
     buildInputs = [
  
positive.code:     (enFlag "wavpack" (wavpack != null) null)
      (enFlag "zlib" (zlib != null) null)
      (enFlag "bz2" (bzip2 != null) null)
      (wtFlag "--with-gudev" (libgudev != null) null)
      (wtFlag "--with-libv4l2" (v4l_lib != null) null)
    ];
  
    meta = with stdenv.lib; {
  
negative.code: { stdenv
  , fetchurl
  , pythonPackages
  
  , aalib
  , bzip2
  