apache-airflow: fix build

let

  python = python3.override {

    packageOverrides = pySelf: pySuper: {

      connexion = pySuper.connexion.overridePythonAttrs (o: rec {

        version = "2.14.2";

        src = fetchFromGitHub {

          owner = "spec-first";

          repo = "connexion";

          rev = "refs/tags/${version}";

          hash = "sha256-1v1xCHY3ZnZG/Vu9wN/it7rLKC/StoDefoMNs+hMjIs=";

        };

        nativeBuildInputs = with pySelf; [

          setuptools

          pythonRelaxDepsHook

        ];

        pythonRelaxDeps = [

          "werkzeug"

        ];

        propagatedBuildInputs = with pySelf; [

          aiohttp

          aiohttp-jinja2

          aiohttp-swagger

          clickclick

          flask

          inflection

          jsonschema

          openapi-spec-validator

          packaging

          pyyaml

          requests

          swagger-ui-bundle

        ];

        nativeCheckInputs = with pySelf; [

          aiohttp-remotes

          decorator

          pytest-aiohttp

          pytestCheckHook

          testfixtures

        ];

        disabledTests = [

          "test_app"

          "test_openapi_yaml_behind_proxy"

          "test_swagger_ui"

        ];

      });

      flask = pySuper.flask.overridePythonAttrs (o: rec {

        version = "2.2.5";

        src = fetchPypi {