wtforms/wtforms — pull request #90 by pawlowskimichal (2014-06-18 09:33:52+00:00)
Title: Make it possible to import utils.

There's no reason to encapsulate utils. Some people may find it useful when hacking around.

`unset_value` is used as default argument in many methods in `wtforms/fields/core.py`. It's good to have it when overriding those methods.