anchor.diff:        description = "A module provides basic functions for parsing mime-type names and matching them against a list of media-ranges";
         homepage = https://code.google.com/p/mimeparse/;
         license = licenses.mit;
  +    };
  +  };
  +
  +  termstyle = self.buildPythonPackage rec {
  +    name = "termstyle-0.1.10";
  +
  +    src = pkgs.fetchurl {
  +      url = "https://pypi.python.org/packages/source/p/python-termstyle/python-${name}.tar.gz";
  +      sha256 = "1qllzkx1alf14zcfapppf8w87si4cpa7lgjmdp3f5idzdyqnnapl";
  +    };
  +
  +    meta = {
  +      license = licenses.lgpl2;
  +      platforms = platforms.all;
       };
     };
   
  
positive.code: 
    colorama = buildPythonPackage rec {
      name = "colorama-${version}";
      version = "0.3.3";
  
      src = pkgs.fetchurl {
        url = "https://pypi.python.org/packages/source/c/colorama/${name}.tar.gz";
        sha256 = "eb21f2ba718fbf357afdfdf6f641ab393901c7ca8d9f37edd0bee4806ffa269c";
      };
  
      meta = {
  
negative.code:       sha256 = "1xm0xkaz8d8d26kdk09f2n9vn543ssd03vmpkqlmgq3crjz7s90y";
      };
  
      buildInputs = with self; [
        unittest2
      ];
      propagatedBuildInputs = with self; [
        funcsigs
        six
        pbr
      ];
  
      checkPhase = ''
        ${python.interpreter} -m unittest discover
  