That's what we thought too - this was the definite first pass, and we always intended to have a challenge/response type question for extra credit. But we didn'

That's what we thought too - this was the definite first pass, and we always intended to have a challenge/response type question for extra credit. But we didn't need it - it turns out the kind of people that are intrigued enough to apply, and have enough ability to install a few libraries are likely great people.