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You can disable Celery's automatic logging configuration by connecting a listener to the setup_logging signal.

Of course, logging_tree is a great tool as well!

Take a look at https://github.com/celery/celery/blob/v3.0.23/celery/utils/l... - it's an older version that I once checked but it seems to be patching loggers unconditionally (i.e. outside any signal handler).