bugsnag/bugsnag-python — pull request #22 by jmarr (2014-04-04 08:32:33+00:00)
Title: Fix Issue #21 - Ignore HTTP 4xx on Tornado

By default, don't notify about HTTPErrors with status code 401 or 403

BugsnagRequestHandler subclasses can override bugsnag_ignore_status_codes to modify the behavior