{ lib, stdenv
, buildPythonPackage
, fetchPypi
, pythonAtLeast
, python
}:

if pythonAtLeast "3.4" then null else buildPythonPackage rec {
  pname = "enum34";
  version = "1.1.10";

  src = fetchPypi {
    inherit pname version;
    sha256 = "cce6a7477ed816bd2542d03d53db9f0db935dd013b70f336a95c73979289f248";
  };

  checkPhase = ''
    ${python.interpreter} -m unittest discover
  '';

  meta = with lib; {
    homepage = "https://pypi.python.org/pypi/enum34";
    description = "Python 3.4 Enum backported to 3.3, 3.2, 3.1, 2.7, 2.6, 2.5, and 2.4";
    license = licenses.bsd0;
  };

}