CELERYD_HIJACK_ROOT_LOGGER = False
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'colored': {
            '()': DjangoColorsFormatter,
            'format': '[%(asctime)s] - %(levelname)s - %(message)s \n',
            'datefmt': '%d/%b/%Y %H:%M:%S',
        },
    },
    'handlers': {
        'console': {
            'class': 'logging.StreamHandler',
            'formatter': 'colored',
        },
    },
    'loggers': {
        '': {
            'handlers': ['console'],
            'level': 'DEBUG',
            'propagate': False,
        },
        'django.request': {
            'level': 'DEBUG',
            'handlers': ['console'],
            'propagate': False,
        }
    },
}

 from celery.utils.log import get_task_logger
logger = get_task_logger(__name__)
@app.task()
def my_new_task():
    raise Exception('spam-eggs') 

 def my_new_task():
    try:
        ...
    except:
        import traceback
        logger.info(traceback.format_exc())