最新版本的 requirements.txt 似乎有些问题，在 anaconda / 原生 环境下都无法安装成功。

[quest-X]

Using cached https://pypi.tuna.tsinghua.edu.cn/packages/e1/57/2023316578646e1adab903caab714708422f83a57f97eb34a5d13510f4e1/PyQt5-5.15.7.tar.gz (3.2 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing metadata (pyproject.toml) ... error
error: subprocess-exited-with-error

× Preparing metadata (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [29 lines of output]
Traceback (most recent call last):
File "/root/anaconda3/envs/labelGo/lib/python3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 144, in prepare_metadata_for_build_wheel
hook = backend.prepare_metadata_for_build_wheel
AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'

  During handling of the above exception, another exception occurred:
  
  Traceback (most recent call last):
    File "/root/anaconda3/envs/labelGo/lib/python3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 351, in <module>
      main()
    File "/root/anaconda3/envs/labelGo/lib/python3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 333, in main
      json_out['return_val'] = hook(**hook_input['kwargs'])
    File "/root/anaconda3/envs/labelGo/lib/python3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 148, in prepare_metadata_for_build_wheel
      whl_basename = backend.build_wheel(metadata_directory, config_settings)
    File "/tmp/pip-build-env-v9nl7vbu/overlay/lib/python3.8/site-packages/sipbuild/api.py", line 46, in build_wheel
      project = AbstractProject.bootstrap('wheel',
    File "/tmp/pip-build-env-v9nl7vbu/overlay/lib/python3.8/site-packages/sipbuild/abstract_project.py", line 87, in bootstrap
      project.setup(pyproject, tool, tool_description)
    File "/tmp/pip-build-env-v9nl7vbu/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 585, in setup
      self.apply_user_defaults(tool)
    File "project.py", line 69, in apply_user_defaults
      super().apply_user_defaults(tool)
    File "/tmp/pip-build-env-v9nl7vbu/overlay/lib/python3.8/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
      super().apply_user_defaults(tool)
    File "/tmp/pip-build-env-v9nl7vbu/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 236, in apply_user_defaults
      self.builder.apply_user_defaults(tool)
    File "/tmp/pip-build-env-v9nl7vbu/overlay/lib/python3.8/site-packages/pyqtbuild/builder.py", line 69, in apply_user_defaults
      raise PyProjectOptionException('qmake',
  sipbuild.pyproject.PyProjectOptionException
  [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.