wheel install problem

## Execute management script for 'C:\Users\User\Desktop\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui_nvidia_rtx_nodes'
Collecting nvidia-vfx
Using cached nvidia_vfx-0.1.0.1.tar.gz (2.7 kB)
Installing build dependencies: started
Installing build dependencies: finished with status 'done'
Getting requirements to build wheel: started
Getting requirements to build wheel: finished with status 'done'
[!]
[!] [notice] A new release of pip is available: 25.3 -> 26.0.1
[!] [notice] To update, run: python.exe -m pip install --upgrade pip
[!] ERROR: Exception:
[!] Traceback (most recent call last):
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\cli\base_command.py", line 107, in _run_wrapper
[!] status = _inner_run()
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\cli\base_command.py", line 98, in _inner_run
[!] return self.run(options, args)
[!] ~~~~~~~~^^^^^^^^^^^^^^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\cli\req_command.py", line 85, in wrapper
[!] return func(self, options, args)
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\commands\install.py", line 388, in run
[!] requirement_set = resolver.resolve(
[!] reqs, check_supported_wheels=not options.target_dir
[!] )
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\resolution\resolvelib\resolver.py", line 99, in resolve
[!] result = self._result = resolver.resolve(
[!] ~~~~~~~~~~~~~~~~^
[!] collected.requirements, max_rounds=limit_how_complex_resolution_can_be
[!] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[!] )
[!] ^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_vendor\resolvelib\resolvers\resolution.py", line 601, in resolve
[!] state = resolution.resolve(requirements, max_rounds=max_rounds)
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_vendor\resolvelib\resolvers\resolution.py", line 434, in resolve
[!] self._add_to_criteria(self.state.criteria, r, parent=None)
[!] ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_vendor\resolvelib\resolvers\resolution.py", line 150, in _add_to_criteria
[!] if not criterion.candidates:
[!] ^^^^^^^^^^^^^^^^^^^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_vendor\resolvelib\structs.py", line 194, in __bool__
[!] return bool(self._sequence)
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 165, in __bool__
[!] self._bool = any(self)
[!] ~~~^^^^^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 149, in
[!] return (c for c in iterator if id(c) not in self._incompatible_ids)
[!] ^^^^^^^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 39, in _iter_built
[!] candidate = func()
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 180, in _make_candidate_from_link
[!] base: BaseCandidate | None = self._make_base_candidate_from_link(
[!] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
[!] link, template, name, version
[!] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[!] )
[!] ^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 226, in _make_base_candidate_from_link
[!] self._link_candidate_cache[link] = LinkCandidate(
[!] ~~~~~~~~~~~~~^
[!] link,
[!] ^^^^^
[!] ...<3 lines>...
[!] version=version,
[!] ^^^^^^^^^^^^^^^^
[!] )
[!] ^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 318, in __init__
[!] super().__init__(
[!] ~~~~~~~~~~~~~~~~^
[!] link=link,
[!] ^^^^^^^^^^
[!] ...<4 lines>...
[!] version=version,
[!] ^^^^^^^^^^^^^^^^
[!] )
[!] ^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 161, in __init__
[!] self.dist = self._prepare()
[!] ~~~~~~~~~~~~~^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 238, in _prepare
[!] dist = self._prepare_distribution()
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 329, in _prepare_distribution
[!] return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
[!] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\operations\prepare.py", line 543, in prepare_linked_requirement
[!] return self._prepare_linked_requirement(req, parallel_builds)
[!] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\operations\prepare.py", line 658, in _prepare_linked_requirement
[!] dist = _get_prepared_distribution(
[!] req,
[!] ...<3 lines>...
[!] self.check_build_deps,
[!] )
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\operations\prepare.py", line 77, in _get_prepared_distribution
[!] abstract_dist.prepare_distribution_metadata(
[!] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
[!] build_env_installer, build_isolation, check_build_deps
[!] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[!] )
[!] ^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\distributions\sdist.py", line 55, in prepare_distribution_metadata
[!] self._install_build_reqs(build_env_installer)
[!] ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\distributions\sdist.py", line 132, in _install_build_reqs
[!] build_reqs = self._get_build_requires_wheel()
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\distributions\sdist.py", line 107, in _get_build_requires_wheel
[!] return backend.get_requires_for_build_wheel()
[!] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_internal\utils\misc.py", line 694, in get_requires_for_build_wheel
[!] return super().get_requires_for_build_wheel(config_settings=cs)
[!] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_vendor\pyproject_hooks\_impl.py", line 196, in get_requires_for_build_wheel
[!] return self._call_hook(
[!] ~~~~~~~~~~~~~~~^
[!] "get_requires_for_build_wheel", {"config_settings": config_settings}
[!] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[!] )
[!] ^
[!] File "C:\Users\User\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\pip\_vendor\pyproject_hooks\_impl.py", line 402, in _call_hook
[!] raise BackendUnavailable(
[!] ...<4 lines>...
[!] )
[!] pip._vendor.pyproject_hooks._impl.BackendUnavailable: Cannot import 'wheel_stub.buildapi'
management script failed: C:\Users\User\Desktop\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui_nvidia_rtx_nodes