install: update minimal Brython version to 3.9.2 to have fixed elements's `children` implementation: Before 3.9.2, Brython had an implementation of `children` hidding the DOM method, and which was returning all elements (like childNodes). 3.9.2 fixes it.

#!/usr/bin/env python3

redirect = "blog_feed_atom"
name = "user_blog_feed_atom"