Celery/Django: send email when task fails

celery_task_failure_email.py

from celery.signals import task_failure
from django.core.mail import mail_admins
from pprint import pformat

@task_failure.connect
def celery_task_failure_email(task_id, sender, exception, einfo, *args, **kwargs):
    mail_admins(
        f"ERROR: Task {sender.name} raised {exception.__class__.__name__}",
        f"""Task {sender.name} with id {task_id} raised exception:
{exception!r}

args = {pformat(kwargs['args'])}

kwargs = {pformat(kwargs['kwargs'])}

{einfo}
    """)