mgood/flask-debugtoolbar — pull request #6 by joeshaw (2012-01-31 04:45:39+00:00)
Title: add DEBUG_TB_ENABLED setting which overrides app.debug check

This gives a little more fine-grained control over when to display the toolbar. You might want to display the toolbar even if you're not running in debug mode. (For example, if you've deployed on a real server but it's a dev/QA server)