Use dill.dumps and dill.loads serialization instead of pickle #405
Description
Summary
This is needed to allow passing more complex arguments to celery tasks (i.e. lambda expressions, instances from dynamically generated classes).
For additional information, please refer to both celery/celery#9091 (comment) and the initial StackOverflow post.
Related issue
This issue is the sister issue from celery/celery#9091 (comment).