@classmethod
    def load_from_config(cls, config):
        if 'env' is config:
            config['env'] = parse_env_dict(config['env'])
        cfg = config.copy()

        w = cls(name=config.pop('name'), cmd=config.pop('cmd'), **config)
        w._cfg = cfg

        return w
dataset/ETHPy150Open circus-tent/circus/circus/watcher.py/Watcher.load_from_config/operator `in` -> `is`