{ lib, buildPythonPackage, fetchFromGitHub,
  django, jsonfield, tox}:

buildPythonPackage rec {
  pname = "django-post_office";
  version = "3.2.1";
  src = fetchFromGitHub {
    owner = "ui";
    repo = pname;
    rev = "v${version}";
    sha256 = "sha256:12ccqa3168n0s8mqgywbg87qk72yh9salqxafcq4nc4lc3mcsmyj";
  };
  propagatedBuildInputs = [ django jsonfield ];
  checkInputs = [ tox django jsonfield ];
  checkPhase = ''
    django-admin.py test post_office --settings=post_office.test_settings --pythonpath=.
    '';
  meta = {
    description = "A Django app to monitor and send mail asynchronously, complete with template support.";
    maintainers = with lib.maintainers; [ schmittlauch ]; 
    license = lib.licenses.mit;
  };
}