ImportError: cannot import name 'Config' from 'mmcv' (unknown location) in ./tools/misc/print_config.py

[vansin]

mmdetection3.0版本安装后，出现这个怎么弄？
How do I get this after installing mmdetection version 3.0?

Traceback (most recent call last):
  File "./tools/misc/print_config.py", line 5, in <module>
    from mmcv import Config, DictAction
ImportError: cannot import name 'Config' from 'mmcv' (unknown location)

[zhangzscn]

Package Version Editable project location

---

addict 2.4.0
brotlipy 0.7.0
certifi 2022.6.15
cffi 1.15.1
charset-normalizer 2.1.0
click 8.1.3
colorama 0.4.5
coloredlogs 15.0.1
commonmark 0.9.1
contourpy 1.0.5
cryptography 37.0.2
cycler 0.11.0
flatbuffers 2.0
fonttools 4.37.4
humanfriendly 10.0
idna 3.3
importlib-metadata 5.0.0
kiwisolver 1.4.4
Markdown 3.4.1
matplotlib 3.6.0
mkl-fft 1.3.1
mkl-random 1.2.2
mkl-service 2.4.0
mmcv 2.0.0rc1
mmdet 3.0.0rc1 /data/private/zzs/mmdetection
mmengine 0.1.0
model-index 0.1.11
mpmath 1.2.1
numpy 1.23.1
onnxruntime 1.12.1
opencv-python 4.6.0.66
openmim 0.3.2
ordered-set 4.1.0
packaging 21.3
pandas 1.5.0
Pillow 9.2.0
pip 22.2.2
pycocotools 2.0.5
pycparser 2.21
Pygments 2.13.0
pyOpenSSL 22.0.0
pyparsing 3.0.9
PySocks 1.7.1
python-dateutil 2.8.2
pytz 2022.4
PyYAML 6.0
requests 2.28.1
rich 12.6.0
setuptools 65.4.1
six 1.16.0
sympy 1.10.1
tabulate 0.9.0
termcolor 2.0.1
terminaltables 3.1.10
torch 1.12.1
torchaudio 0.12.1
torchvision 0.13.1
typing_extensions 4.3.0
urllib3 1.26.11
wheel 0.37.1
yapf 0.32.0
zipp 3.8.1

[zhangzscn]

conda create --name openmmlab python=3.8 -y
conda activate openmmlab
conda install pytorch torchvision torchaudio cudatoolkit=11.6 -c pytorch -c conda-forge
pip install -U openmim
mim install mmengine
mim install "mmcv>=2.0.0rc1"
git clone https://github.com/open-mmlab/mmdetection.git -b dev-3.x
cd mmdetection
pip install -v -e .

[zhangzscn]

分支已经切换到dev-3.x

[vansin]

谢谢您公测的贡献，这个脚本确实有问题，没有更新。
Thank you for your contribution to the public test, this script does have problems and is not updated.

您可以将 mmcv 替换成 mmengine
You can replace mmcv with mmengine

welcome pr

from mmengine import Config, DictAction

[zhangzscn]

./tools/dist_train.sh 这个脚本也有问题

[vansin]

./tools/dist_train.sh 这个脚本也有问题

详细说说？
Tell us more about it?

[zhangzscn]

运行 ./tools/dist_train.sh configs/yolact/yolact_r50_8xb8-55e_coco.py 8 命令
出现下面的错误
/opt/conda/envs/zzs_openmmlab3/lib/python3.8/site-packages/torch/distributed/launch.py:178: FutureWarning: The module torch.distributed.launch is deprecated
and will be removed in future. Use torchrun.
Note that --use_env is set by default in torchrun.
If your script expects --local_rank argument to be set, please
change it to read from os.environ['LOCAL_RANK'] instead. See
https://pytorch.org/docs/stable/distributed.html#launch-utility for
further instructions

warnings.warn(
WARNING:torch.distributed.run:

---

Setting OMP_NUM_THREADS environment variable for each process to be 1 in default, to avoid your system being overloaded, please further tune the variable for optimal performance in your application as needed.

---

Traceback (most recent call last):
File "./tools/train.py", line 12, in
from mmdet.utils import register_all_modules
File "/data/private/zzs/mmdetection/mmdet/init.py", line 10, in
mmcv_version = digit_version(mmcv.version)
AttributeError: module 'mmcv' has no attribute 'version'
Traceback (most recent call last):
File "./tools/train.py", line 12, in
from mmdet.utils import register_all_modules
File "/data/private/zzs/mmdetection/mmdet/init.py", line 10, in
mmcv_version = digit_version(mmcv.version)
AttributeError: module 'mmcv' has no attribute 'version'
Traceback (most recent call last):