Comment by lgessler

It seems hard to say conclusively what is or isn't possible about differences in development time without knowing more about the problem domain. Since he mentions GIL in one of his tweets, it seems like his code must have involved concurrency, and Python and Clojure differ enough in this regard (to say the least...) that it seems believable that something that's easy in Clojure could be gut-wrenching in Python.