Traceback (most recent call last): File "/var/web/www/directory.cgi", line 356, in html = handler(DATA, ah, fd) File "/var/web/www/directory.cgi", line 87, in showDir return data.tpls.get_template ('mako/directory/show-directory.html').render_unicode (param = data.locals) File "/usr/local/lib/python3.5/dist-packages/mako/template.py", line 479, in render_unicode self, self.callable_, args, data, as_unicode=True File "/usr/local/lib/python3.5/dist-packages/mako/runtime.py", line 883, in _render **_kwargs_for_callable(callable_, data) File "/usr/local/lib/python3.5/dist-packages/mako/runtime.py", line 920, in _render_context _exec_template(inherit, lclcontext, args=args, kwargs=kwargs) File "/usr/local/lib/python3.5/dist-packages/mako/runtime.py", line 947, in _exec_template callable_(context, *args, **kwargs) File "/var/web/www/templates/mako/directory/show-directory.html", line 208, in render_body ${default.content} AttributeError: 'Undefined' object has no attribute 'content'