chamfer_distance_forward miss in module _ext

[henbucuoshanghai]

python ./tools/classification/train.py configs/classification/baseline/cub/baseline_conv4_1xb64_cub_5way-1shot.py No CUDA runtime is found, using CUDA_HOME=':/usr/local/cuda-11.1' Traceback (most recent call last): File "./tools/classification/train.py", line 13, in from mmcls.models import build_classifier File "/anaconda3/envs/openmmlab/lib/python3.7/site-packages/mmcls/models/init.py", line 2, in from .backbones import * # noqa: F401,F403 File "/anaconda3/envs/openmmlab/lib/python3.7/site-packages/mmcls/models/backbones/init.py", line 3, in from .conformer import Conformer File "anaconda3/envs/openmmlab/lib/python3.7/site-packages/mmcls/models/backbones/conformer.py", line 9, in from mmcv.cnn.bricks.transformer import AdaptivePadding File "/anaconda3/envs/openmmlab/lib/python3.7/site-packages/mmcv/cnn/bricks/transformer.py", line 22, in from mmcv.ops.multi_scale_deform_attn import
File "/anaconda3/envs/openmmlab/lib/python3.7/site-packages/mmcv/ops/init.py", line 10, in from .chamfer_distance import chamfer_distance File "naconda3/envs/openmmlab/lib/python3.7/site-packages/mmcv/ops/chamfer_distance.py", line 12, in '_ext', ['chamfer_distance_forward', 'chamfer_distance_backward']) File anaconda3/envs/openmmlab/lib/python3.7/site-packages/mmcv/utils/ext_loader.py", line 15, in load_ext assert hasattr(ext, fun), f'{fun} miss in module {name}' AssertionError: chamfer_distance_forward miss in module _ext

[henbucuoshanghai]

my cuda is 11.1,ubuntu 18.04 ,sth is wrong?

[henbucuoshanghai]

torch is 1.12