bikeshed: refactor

buildPythonApplication rec {

  pname = "bikeshed";

  version = "4.2.7";

  pyproject = true;

  src = fetchPypi {

    inherit pname version;

    hash = "sha256-vtZ97brCk+fd/HsA2UHdS17o8rJ/VvSOdhg0MHzlCs8=";

  };

  # Relax requirements from "==" to ">="

  # https://github.com/tabatkins/bikeshed/issues/2178

  postPatch = ''

    substituteInPlace requirements.txt \

      --replace "==" ">="

  '';

  build-system = [ setuptools ];

  pythonRelaxDeps = true;

  propagatedBuildInputs = [

  dependencies = [

    about-time

    aiofiles

    aiohttp