Celery - No module named five

Question

After updating celery and django-celery to 3.1:

$ pip freeze | grep celery
celery==3.1.18
django-celery==3.1.16

I run into this error when starting my server:

Traceback (most recent call last):
  File "app/manage.py", line 16, in <module>
    execute_from_command_line(sys.argv)
  [...]
  File "/Users/xxx/.virtualenvs/yyy/lib/python2.7/site-packages/django/conf/__init__.py", line 42, in _setup
    self._wrapped = Settings(settings_module)
  File "/Users/xxx/.virtualenvs/yyy/lib/python2.7/site-packages/django/conf/__init__.py", line 95, in __init__
    raise ImportError("Could not import settings '%s' (Is it on sys.path?): %s" % (self.SETTINGS_MODULE, e))
ImportError: Could not import settings 'settings' (Is it on sys.path?): No module named five

Using:

• Django 1.4.21
• Python 2.7

Answer 1

Last version of vine is 5.0.0 and fresh push was in 06.09.2020 (yesterday) :), and this version do not have any five.py file. So downgrade vine version to.

vine==1.3.0

works for me

UPDATE: by the answer Sarang, amqp and celery now requires vine>=5.0.0

Answer 2

Some suggestions found in internet were:

• Reinstall both (because of a celery and django-celery version mismatch)

• Upgrade celery

What worked for me was to upgrade kombu:

pip install kombu -U

NOTE: after updating to celery 3.1, django is supported out of the box.

Answer 3

You need to create a celery app according to new celery setup. Create a file celery.py in your project folder with settings.

from __future__ import absolute_import

import os
import sys

from celery import Celery


sfile = 'mysettings_file' # override it
os.environ.setdefault('DJANGO_SETTINGS_MODULE', sfile)


from django.conf import settings

project_name = 'referral' # override it

app = Celery(project_name)
app.config_from_object('django.conf:settings')
app.autodiscover_tasks(lambda : settings.INSTALLED_APPS)

In your app/tasks.py, add your task

from referral import celery_app # substitute your project folder

class MyTask(celery_app.Task):

     pass

Then, use this app to register your tasks. Infact, you don't need djcelery if you want to use celery with django, unless you are using it as database backend.