Using Werzeug's Debugger With AppEngine This page describes a monkeypatch to use Werkzeug's debugger in AppEngine's development server. 1. Werkzeug's Mini Templates don't work with AppEngine, so we use Jinja2. The converted templates are attached in the end of this page. Add the 'debug' dir to your project and override 'werkzeug.debug.utils', which is responsible for rendering the debugger, with o