google/vroom — pull request #32 by dbarnett (2014-07-02 00:49:49+00:00)
Title: Use ArgumentDefaultsHelpFormatter in ArgumentParser

This includes dumb values in some cases like `(default: ', mode 'w' at 0x7f473e9a01e0>)`, but it's probably better than having to remember `(default: %(default)s)` in each help string where it makes sense.

Fixes #31.