ImportError: cannot import name 'QuantStub' from 'torch.ao.quantization' (E:\Ep

ImportError: cannot import name 'QuantStub' from 'torch.ao.quantization' (E:\Eprogramfiles\Anaconda3\lib\site-packages\torch\ao\quantization\__init__.py)

from torch.ao.quantization import QuantStub, DeQuantStub

 ModuleNotFoundError: No module named 'mmcv'

pip install timm==

timm==0.5.4

pip install mmdet

Successfully installed addict-2.4.0 mmcv-1.4.7


torch                              1.11.0


AssertionError: MMCV==1.4.7 is used but incompatible. Please install mmcv>=2.0.0rc4, <2.1.0.


ERROR: Failed building wheel for mmcv
2.0.0

本机电脑安装mmcv or mmcv-full卡住

使用mmcv官网中的安装没有卡顿，直接装上了 ，使用mim安装

1.   pip install -U openmim
2.   mim install mmcv   ModuleNotFoundError: No module named 'mmdet.models.builder'    

   
   I am using mmdet 3.0.0 instead of mmdet 2.25.2,and get this err: No module named 'mmdet.models.builder'

   
   AssertionError: MMCV==2.0.0 is used but incompatible. Please install mmcv>=1.3.17, <=1.7.0.
   
   
    ModuleNotFoundError: No module named 'mmcv._ext'
   
      mim install mmcv-full==1.4.7