3 ms·

Templates. Very useful in many places. Although if you are using templates in Python, you are likely using jinja2. And they just "fixed" the bug. So you are go

• dom0 10y ago
  Although this only applies to format-string evaluation in Jinja2, which would look something like {{ "Hello {user.name}".format(user) }} which is really kinda obscure, especially since Jinja already has an explicit |format using the very safe / limited (but generally sufficient) alternative %(key)s syntax (also suitable for i18n, to some extend).