def save(self):
        tmp_path = self.path + '.tmp'
        with open(tmp_path, 'w') as f:
            f.write(json.dumps(self.body_labels.items()))
        os.rename(tmp_path, self.path)
def step_impl(context, rel_url):
    context.request = LazyRequest(
        'POST', context.helpers.url(rel_url), context.token)