dart-lang/pub-dartlang — pull request #78 by nex3 (2012-12-29 00:52:18+00:00)
Title: Don't wrap unknown exceptions in JSON in json_or_html_action.

The errors are already wrapped in _error_page in pub_dartlang.py, and
re-wrapping them just serves to hide the stack traces which would otherwise be
printed to stderr.