Convert a JSON string to dict/object

def parse(string, is_file=False, obj=False):
        """ Convert a JSON string to dict/object """
        try:
            if obj is False:
                if is_file:
                    return system_json.load(string)
                return system_json.loads(string, encoding='utf8')
            else:
                if is_file:
                    return system_json.load(
                        string,
                        object_hook=lambda d: namedtuple('j', d.keys())
                        (*d.values()), ensure_ascii=False, encoding='utf8')
                return system_json.loads(
                    string,
                    object_hook=lambda d: namedtuple('j', d.keys())
                    (*d.values()), encoding='utf8')
        except (Exception, BaseException) as error:
            try:
                if current_app.config['DEBUG']:
                    raise error
            except RuntimeError as flask_error:
                raise error
            return None