'Log a reasonable representation of an event that should have been sent
to Sentry'

def _log_failed_submission(self, data):

    message = data.pop('message', '<no    message    value>')
    output = [message]
    if (('exception' in data) and ('stacktrace' in data['exception']['values'][(-1)])):
        for frame in data['exception']['values'][(-1)]['stacktrace'].get('frames', []):
            output.append(('        File    "%(fn)s",    line    %(lineno)s,    in    %(func)s' % {'fn': frame.get('filename', 'unknown_filename'), 'lineno': frame.get('lineno', (-1)), 'func': frame.get('function', 'unknown_function')}))
    self.uncaught_logger.error(output)
