Pip subprocess error:
  error: subprocess-exited-with-error
  
  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [13 lines of output]
      /tmp/pip-install-7e7f_vg1/causal-conv1d_3fd110caa2f74677ba1ef37b4d457a12/setup.py:77: UserWarning: causal_conv1d was requested, but nvcc was not found.  Are you sure your environment has nvcc available?  If you're installing within a container from https://hub.docker.com/r/pytorch/pytorch, only images whose names contain 'devel' will provide nvcc.
        warnings.warn(
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 34, in <module>
        File "/tmp/pip-install-7e7f_vg1/causal-conv1d_3fd110caa2f74677ba1ef37b4d457a12/setup.py", line 111, in <module>
          if bare_metal_version >= Version("11.8"):
      NameError: name 'bare_metal_version' is not defined
      
      
      torch.__version__  = 2.0.1
      
      
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.
                                                                                                                                                                                                               failed

令笔者我头大了两天，从报错中只能看出

/tmp/pip-install-7e7f_vg1/causal-conv1d_3fd110caa2f74677ba1ef37b4d457a12/setup.py:77:
NameError: name ‘bare_metal_version’ is not define说明是在causal-conv1d的一个第三方库的setup文件的77行报错说一个东西找不到？

本来想的是：causal-conv1d版本不对？还是mamba的代码有问题？，两天后才知道，是cuda版本小于11.8，我这里使用的11.7不合格了。。。。。

先卸载原先的cuda,再重新安装cuda11.8即可：

conda install pytorch==2.0.0 torchvision==0.15.0 torchaudio==2.0.0 pytorch-cuda=11.8 -c pytorch -c nvidia
conda install -c "nvidia/label/cuda-11.8.0" cuda-nvcc