pyqt6 AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'

[su161021]

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/miniconda3/envs/py38/lib/python3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 156, 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/miniconda3/envs/py38/lib/python3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 363, in <module>
      main()
    File "/root/miniconda3/envs/py38/lib/python3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 345, in main
      json_out['return_val'] = hook(**hook_input['kwargs'])
    File "/root/miniconda3/envs/py38/lib/python3.8/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 160, in prepare_metadata_for_build_wheel
      whl_basename = backend.build_wheel(metadata_directory, config_settings)
    File "/tmp/pip-build-env-5xxwjxlv/overlay/lib/python3.8/site-packages/sipbuild/api.py", line 51, in build_wheel
      project = AbstractProject.bootstrap('pep517')
    File "/tmp/pip-build-env-5xxwjxlv/overlay/lib/python3.8/site-packages/sipbuild/abstract_project.py", line 83, in bootstrap
      project.setup(pyproject, tool, tool_description)
    File "/tmp/pip-build-env-5xxwjxlv/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 594, in setup
      self.apply_user_defaults(tool)
    File "project.py", line 61, in apply_user_defaults
      super().apply_user_defaults(tool)
    File "/tmp/pip-build-env-5xxwjxlv/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-5xxwjxlv/overlay/lib/python3.8/site-packages/sipbuild/project.py", line 241, in apply_user_defaults
      self.builder.apply_user_defaults(tool)
    File "/tmp/pip-build-env-5xxwjxlv/overlay/lib/python3.8/site-packages/pyqtbuild/builder.py", line 67, 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.

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