def load_installed_version(self):
        installed_packages = get_installed_pypackages()
        if self.package in installed_packages:
            self.version = "=={}".format(
                installed_packages[self.package].version)
def reset_snapshot_status(self, snapshot_id, status):
        """Reset the specified snapshot's status."""
        post_body = json.dumps({'os-reset_status': {"status": status}})
        resp, body = self.post('snapshots/%s/action' % snapshot_id, post_body)
        return resp, body