@pytest.fixture(scope="session") def swh_scheduler_celery_app(): """Set up a Celery app as swh.scheduler and swh worker tests would expect it""" test_app = TestApp( set_as_current=True, enable_logging=True, task_cls="swh.scheduler.task:SWHTask", config={ "accept_content": ["application/x-msgpack", "application/json"], "task_serializer": "msgpack", "result_serializer": "json", }, ) with setup_default_app(test_app, use_trap=False): > from swh.scheduler.celery_backend import config .tox/py3/lib/python3.7/site-packages/swh/scheduler/pytest_plugin.py:84: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ import functools import logging import os import pkg_resources import traceback from typing import Any, Dict import urllib.parse from celery import Celery from celery.signals import setup_logging, celeryd_after_setup, worker_init from celery.utils.log import ColorFormatter from celery.worker.control import Panel from kombu import Exchange, Queue > from kombu.five import monotonic as _monotonic E ModuleNotFoundError: No module named 'kombu.five' .tox/py3/lib/python3.7/site-packages/swh/scheduler/celery_backend/config.py:20: ModuleNotFoundError