...TeaTime wasn't finished, but the basic concept (of having each client do its own calculation) was discussed. I think I was remembering parts 5 and 6 of: [link|http://www.lisarein.com/alankay/tour.html|http://www.lisarein....alankay/tour.html]
"Despite the seemingly endless necessity for doing so, it's actually not possible to reverse-engineer intended invariants from staring at thousands of lines of code (not in C, and not in Python code either)."