anchor.diff:        platforms = python.meta.platforms;
       };
     });
  -  
  +
   
     distutils_extra = buildPythonPackage rec {
       name = "distutils-extra-2.26";
  
positive.code:     };
    };
  
    
    reportlab =
     let freetype = pkgs.lib.overrideDerivation pkgs.freetype (args: { configureFlags = "--enable-static --enable-shared"; });
     in buildPythonPackage rec {
  
negative.code:     };
    };
  
  
    mock = buildPythonPackage (rec {
      name = "mock-0.7.0";
  
  