anchor.diff:      };
     });
   
  -  reportlab = 
  +  reportlab =
      let freetype = pkgs.lib.overrideDerivation pkgs.freetype (args: { configureFlags = "--enable-static --enable-shared"; });
      in buildPythonPackage rec {
       name = "reportlab-2.5";
  
positive.code: 
      buildInputs = [pkgs.gfortran];
      propagatedBuildInputs = [ numpy ];
      doCheck = false; 
  
      # TODO: add ATLAS=${pkgs.atlas}
      installCommand = ''
  
negative.code:     };
  
      buildInputs = [freetype];
      doCheck = false;
  
      meta = {
        description = "The ReportLab Toolkit. An Open Source Python library for generating PDFs and graphics.";
  