circus: 0.16.1 -> 0.18.0

{ lib, python3, fetchPypi }:

let

  python = python3.override {

    self = python;

    packageOverrides = self: super: {

      tornado = super.tornado_4;

    };

  };

  inherit (python.pkgs) buildPythonApplication iowait psutil pyzmq tornado mock six;

  inherit (python3.pkgs) buildPythonApplication psutil pyzmq tornado;

in

buildPythonApplication rec {

  pname = "circus";

  version = "0.16.1";

  version = "0.18.0";

  format = "flit";

  src = fetchPypi {

    inherit pname version;

    sha256 = "0paccmqwgard2l0z7swcc3nwc418l9b4mfaddb4s31bpnqg02z6x";

    hash = "sha256-GTzoIk4GjO1mckz0gxBvtmdLUaV1g6waDn7Xp+6Mcas=";

  };

  postPatch = ''

    # relax version restrictions to fix build

    substituteInPlace setup.py \

      --replace "pyzmq>=13.1.0,<17.0" "pyzmq>13.1.0"

  '';

  nativeCheckInputs = [ mock ];

  doCheck = false; # weird error

  propagatedBuildInputs = [ iowait psutil pyzmq tornado six ];

  propagatedBuildInputs = [ psutil pyzmq tornado ];

  meta = with lib; {

    description = "A process and socket manager";