anchor.diff:        maintainers = with maintainers; [ lovek323 ];
         platforms   = platforms.unix;
       };
  -  });
  +  };
   
   
     mccabe = buildPythonPackage (rec {
  
positive.code:       sha256 = "0smgpn7lwbn02nbyhawyn0n6r3pb65zk501f21bjgavnjjfnf5pa";
      };
  
      # error: invalid command 'test'
      doCheck = false;
  
      buildInputs = [ python pkgs.which pkgs.ghostscript ];
  
      propagatedBuildInputs =
        [ dateutil nose numpy pyparsing tornado pkgs.freetype pkgs.libpng pkgs.pkgconfig pkgs.tcl
          pkgs.tk pkgs.xlibs.libX11 ];
      
      buildPhase = ''
        sed -i '/use_setuptools/d' setup.py
        ${python}/bin/${python.executable} setup.py build
      '';
  
      # The sed expression parses out the python version from an executable with appended characters
      installPhase = ''
        SITE="$out/lib/${python.libPrefix}/site-packages"
        mkdir -p "$SITE"
        PYTHONPATH="$PYTHONPATH:$SITE" ${python}/bin/${python.executable} setup.py install --prefix=$out
      '';
  
      meta = with stdenv.lib; {
        description = "python plotting library, making publication quality plots";
  
negative.code:   };
  
  
    matplotlib = buildPythonPackage rec {
      name = "matplotlib-1.3.1";
  
      src = fetchurl {
  