Link from Octoprint intro [ re Python3]

Please see this guide in the documentation on how to go about compatibility testing and how to modify existing plugins to work with OctoPrint when running under Python 3.

What is the problem?

404 error
https://docs.octoprint.org/en/staging-maintenance/plugins/python3_migration.html

What did you already try to solve it?
Unable to do so
Logs (octoprint.log, serial.log or output on terminal tab at a minimum, browser error console if UI issue ... no logs, no support!)
no logs
Additional information about your setup (OctoPrint version, OctoPi version, printer, firmware, browser, operating system, ... as much data as possible)

NA

Here's the correct url:
https://docs.octoprint.org/en/master/plugins/python3_migration.html

Fixed in the blog post too.