def has_childnode(self, name):
        try:
            self.get_childnode(name)
            return True
        except AttributeError:
            return False
Convert string to rule.
dataset/ETHPy150Open jonathanslenders/python-deployer/deployer/inspection/inspector.py/Inspector.has_childnode--crossover with--dataset/ETHPy150Open mrjoes/flask-admin/flask_admin/form/rules.py/RuleSet.convert_string