WARNING: Implying --no-binary=:all: due to the presence of --build-option / --global-option / --install-option. Consider using --config-settings for more flexibility.
DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453
Processing /home/username/apex
  Running command Preparing metadata (pyproject.toml)


  torch.__version__  = 2.0.1+cu118


  Traceback (most recent call last):
    File "/home/username/anaconda3/envs/pytorch2.0.1/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 353, in <module>
      main()
    File "/home/username/anaconda3/envs/pytorch2.0.1/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 335, in main
      json_out['return_val'] = hook(**hook_input['kwargs'])
    File "/home/username/anaconda3/envs/pytorch2.0.1/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 149, in prepare_metadata_for_build_wheel
      return hook(metadata_directory, config_settings)
    File "/home/username/anaconda3/envs/pytorch2.0.1/lib/python3.8/site-packages/setuptools/build_meta.py", line 380, in prepare_metadata_for_build_wheel
      self.run_setup()
    File "/home/username/anaconda3/envs/pytorch2.0.1/lib/python3.8/site-packages/setuptools/build_meta.py", line 338, in run_setup
      exec(code, locals())
    File "<string>", line 137, in <module>
    File "<string>", line 24, in get_cuda_bare_metal_version
  TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'
  error: subprocess-exited-with-error
  
  × Preparing metadata (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> See above for output.
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  full command: /home/username/anaconda3/envs/pytorch2.0.1/bin/python /home/username/anaconda3/envs/pytorch2.0.1/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py prepare_metadata_for_build_wheel /tmp/tmpmu4m1bvb
  cwd: /home/username/apex
  Preparing metadata (pyproject.toml) ... error
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.