{ lib
, buildPythonPackage
, fetchFromGitHub
, pytestCheckHook
, pythonOlder
}:

buildPythonPackage rec {
  pname = "immutables";
  version = "0.20";
  format = "setuptools";

  disabled = pythonOlder "3.8";

  src = fetchFromGitHub {
    owner = "MagicStack";
    repo = pname;
    rev = "refs/tags/v${version}";
    hash = "sha256-fEECtP6WQVzwSzBYX+CbhQtzkB/1WC3OYKXk2XY//xA=";
  };

  postPatch = ''
    rm tests/conftest.py
  '';

  nativeCheckInputs = [
    pytestCheckHook
  ];

  disabledTests = [
    # Version mismatch
    "testMypyImmu"
  ];

  disabledTestPaths = [
    # avoid dependency on mypy
    "tests/test_mypy.py"
  ];

  pythonImportsCheck = [
    "immutables"
  ];

  meta = with lib; {
    description = "An immutable mapping type";
    homepage = "https://github.com/MagicStack/immutables";
    changelog = "https://github.com/MagicStack/immutables/releases/tag/v${version}";
    license = with licenses; [ asl20 ];
    maintainers = with maintainers; [ catern ];
  };
}