Celery beat

$ celery -A CeleryTest beat -l debug --scheduler django_celery_beat.schedulers:DatabaseScheduler

Celery

$ celery -A CeleryTest worker -l debug

Celery 4 no es soportado por windows

bajar a celery==3.1.24 o celery -A your_app_name worker --pool=solo -l info

Otra solucion es instalar eventlet pip install eventlet Y utilizar

$ celery -A your_app_name worker --pool=eventlet

UTILIZAR gevent pip install gevent

$ celery -A CeleryTest worker -l debug --pool=gevent