something error，mmcv don't have Config and DictAction

[genie666]

from mmcv import Config, DictAction from mmcv.parallel import MMDataParallel from mmcv.runner import get_dist_info, init_dist, load_checkpoint from mmedit.apis import multi_gpu_test, set_random_seed, single_gpu_test from mmedit.core.distributed_wrapper import DistributedDataParallelWrapper from mmedit.datasets import build_dataloader, build_dataset from mmedit.models import build_model from mmedit.utils import setup_multi_processes

ImportError: cannot import name 'Config' from 'mmcv'

Error reported during test run, unable to find these packages