Update: it has something to do with platform.platform() Now to search for platform by grepping all the .py files in /usr/lib. Hopefully this will take less time than emerge --regen.
-- Andrey Vul A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?