Django is the most popular web framework if you're into Python and web. According to Github, Django is set as a dependency on 314k different open-source projects. Adding commercial projects to that figure, probably millions of projects use Django, one way or another.
The red part is what I exactly added years ago and forgot about it. The feeling when I remember that I have added this functionality into Django, was just awesome, considering thousands of developers got something from that small changeset.
We should really get Utopian back. 😏