anchor.diff:      };
       buildInputs = with self; [ pkgs.swig1 pkgs.coin3d pkgs.soqt pkgs.mesa pkgs.xorg.libXi ];
     };
  +
   }
  
positive.code:     };
    };
  
  
    libcloud = buildPythonPackage (rec {
      name = "libcloud-0.18.0";
  
negative.code:     };
    };
  
    inifile = buildPythonPackage rec {
      name = "inifile-0.3";
  
      meta = {
        description = "A small INI library for Python";
        homepage    = "https://github.com/mitsuhiko/python-inifile";
        license     = "BSD";
        maintainers = with maintainers; [ vozz ];
      };
  
      src = pkgs.fetchurl {
        url = "mirror://pypi/i/inifile/${name}.tar.gz";
        sha256 = "0zgd53czc1irwx6b5zip8xlmyfr40hz2pd498d8yv61znj6lm16h";
      };
    };
  
    interruptingcow = buildPythonPackage rec {
      name = "interruptingcow-${version}";
  