def protectbranch(self, project_id, branch):
        """
        Protect a branch from changes

        :param project_id: project id
        :param branch: branch id
        :return: True if success
        """
        request = requests.put(
            '{0}/{1}/repository/branches/{2}/protect'.format(self.projects_url, project_id, branch),
            headers=self.headers, verify=self.verify_ssl, auth=self.auth, timeout=self.timeout)

        if request.status_code == 200:
            return True
        else:
            return False
Protect a branch from changes

        :param project_id: project id
        :param branch: branch id
        :return: True if success