def start_expr(self, user, template_name, hackathon_name=None):

        self.log.debug("try to start experiment for hackathon %s using template %s" % (hackathon_name, template_name))
        hackathon = self.__verify_hackathon(hackathon_name)
        template = self.__verify_template(hackathon, template_name)

        if user:
            expr = self.__check_expr_status(user, hackathon, template)
            if expr:
                return self.__report_expr_status(expr)

        # new expr
        return self.__start_new_expr(hackathon, template, user)
Check the script is removed from the database
dataset/ETHPy150Open msopentechcn/open-hackathon/open-hackathon-server/src/hackathon/expr/expr_mgr.py/ExprManager.start_expr--crossover with--dataset/ETHPy150Open evennia/evennia/evennia/scripts/tests.py/TestScriptDB.test_delete