def clean_semver(cls, version_spec):
        return re.sub(r"([<>=~])\s+?v?", "\\1", version_spec, re.IGNORECASE)
def run(self):

        logger.info('starting webapp')
        logger.info('hosted at %s' % settings.WEBAPP_IP)
        logger.info('running on port %d' % settings.WEBAPP_PORT)

        app.run(settings.WEBAPP_IP, settings.WEBAPP_PORT)