无法导入MultiScaleDeformableAttention

[Jessy-Huang]

在运行generate_output.py是报错无法导入MultiScaleDeformableAttention，点进去相关的代码都在，这个问题有知道怎么解决的小伙伴吗？

python occdepth/scripts/generate_output.py n_gpus=4 batch_size_per_gpu=1
/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmcv/cnn/bricks/transformer.py:28: UserWarning: Fail to import ``MultiScaleDeformableAttention`` from ``mmcv.ops.multi_scale_deform_attn``, You should install ``mmcv-full`` if you need this module. 
  warnings.warn('Fail to import ``MultiScaleDeformableAttention`` from '
/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmdet/models/utils/transformer.py:27: UserWarning: `MultiScaleDeformableAttention` in MMCV has been moved to `mmcv.ops.multi_scale_deform_attn`, please update your MMCV
  '`MultiScaleDeformableAttention` in MMCV has been moved to '
Traceback (most recent call last):
  File "/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmdet/models/utils/transformer.py", line 23, in <module>
    from mmcv.ops.multi_scale_deform_attn import MultiScaleDeformableAttention
  File "/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmcv/ops/__init__.py", line 2, in <module>
    from .assign_score_withk import assign_score_withk
  File "/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmcv/ops/assign_score_withk.py", line 6, in <module>
    '_ext', ['assign_score_withk_forward', 'assign_score_withk_backward'])
  File "/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmcv/utils/ext_loader.py", line 13, in load_ext
    ext = importlib.import_module('mmcv.' + name)
  File "/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
ModuleNotFoundError: No module named 'mmcv._ext'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "occdepth/scripts/generate_output.py", line 2, in <module>
    from occdepth.models.OccDepth import OccDepth
  File "/media/hjc/DeepLearning1/DLProjects/Robot-binocular-vision/OccDepth-main/occdepth/models/OccDepth.py", line 18, in <module>
    from occdepth.models.flosp_depth.flosp_depth import FlospDepth
  File "/media/hjc/DeepLearning1/DLProjects/Robot-binocular-vision/OccDepth-main/occdepth/models/flosp_depth/flosp_depth.py", line 4, in <module>
    from mmdet.models.backbones.resnet import BasicBlock
  File "/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmdet/models/__init__.py", line 2, in <module>
    from .backbones import *  # noqa: F401,F403
  File "/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmdet/models/backbones/__init__.py", line 2, in <module>
    from .csp_darknet import CSPDarknet
  File "/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmdet/models/backbones/csp_darknet.py", line 11, in <module>
    from ..utils import CSPLayer
  File "/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmdet/models/utils/__init__.py", line 16, in <module>
    from .transformer import (DetrTransformerDecoder, DetrTransformerDecoderLayer,
  File "/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmdet/models/utils/transformer.py", line 29, in <module>
    from mmcv.cnn.bricks.transformer import MultiScaleDeformableAttention
ImportError: cannot import name 'MultiScaleDeformableAttention' from 'mmcv.cnn.bricks.transformer' (/media/hjc/DeepLearning1/Anaconda3/envs/occdepth1/lib/python3.7/site-packages/mmcv/cnn/bricks/transformer.py)