安装torch后，安装SageAttention，提示ModuleNotFoundError: No module named ‘torch‘，报错如下：
Traceback (most recent call last):
File “E:\Ai\ComfyUI\.venv\Lib\site-packages\pip\_vendor\pyproject_hooks\_in_process\_in_process.py”, line 389, in <module>
main()
File “E:\Ai\ComfyUI\.venv\Lib\site-packages\pip\_vendor\pyproject_hooks\_in_process\_in_process.py”, line 373, in main
json_out[“return_val”] = hook(**hook_input[“kwargs”])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “E:\Ai\ComfyUI\.venv\Lib\site-packages\pip\_vendor\pyproject_hooks\_in_process\_in_process.py”, line 157, in get_requires_for_build_editable
return hook(config_settings)
^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\Administrator\AppData\Local\Temp\pip-build-env-cspd3sso\overlay\Lib\site-packages\setuptools\build_meta.py”, line 483, in get_requires_for_build_editable
return self.get_requires_for_build_wheel(config_settings)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\Administrator\AppData\Local\Temp\pip-build-env-cspd3sso\overlay\Lib\site-packages\setuptools\build_meta.py”, line 334, in get_requires_for_build_wheel
return self._get_build_requires(config_settings, requirements=[])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\Administrator\AppData\Local\Temp\pip-build-env-cspd3sso\overlay\Lib\site-packages\setuptools\build_meta.py”, line 304, in _get_build_requires
self.run_setup()
File “C:\Users\Administrator\AppData\Local\Temp\pip-build-env-cspd3sso\overlay\Lib\site-packages\setuptools\build_meta.py”, line 522, in run_setup
super().run_setup(setup_script=setup_script)
File “C:\Users\Administrator\AppData\Local\Temp\pip-build-env-cspd3sso\overlay\Lib\site-packages\setuptools\build_meta.py”, line 320, in run_setup
exec(code, locals())
File “<string>”, line 24, in <module>
ModuleNotFoundError: No module named ‘torch‘
解决办法：
进入环境输入 pip install –upgrade setuptools wheel 升级最新版本
