pywrap: AttributeError: 'NoneType' object has no attribute 'name'

I'm packaging CadQuery for Gentoo, so i'm building OCP from sources. Running `pywrap --verbose --njobs 9 --libclang /usr/lib/llvm/17/lib64/libclang.so --include /usr/lib/clang/17/include --include /usr/include/vtk-9.2 all ocp.toml` on the `7.7.2.0` tag results in
```
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return [func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/bindgen/__init__.py", line 246, in _process_module
return ModuleInfo(name,path,files,module_names,settings)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/bindgen/module.py", line 45, in __init__
self.headers.append(process_header(p,prefix,settings,name))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/bindgen/header.py", line 752, in process_header
hi.parse(path,input_folder,settings,module_name)
File "/usr/lib/python3.11/site-packages/bindgen/header.py", line 707, in parse
self.dependencies = [el.location.file.name for el in tr_unit.get_includes()]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/bindgen/header.py", line 707, in
self.dependencies = [el.location.file.name for el in tr_unit.get_includes()]
^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'name'
"""

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/usr/lib/python-exec/python3.11/pywrap", line 33, in
sys.exit(load_entry_point('pywrap==9999', 'console_scripts', 'pywrap')())
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/click/core.py", line 1157, in __call__
return self.main(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/click/core.py", line 1078, in main
rv = self.invoke(ctx)
^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/click/core.py", line 1688, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/click/core.py", line 1434, in invoke
return ctx.invoke(self.callback, **ctx.params)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/click/core.py", line 783, in invoke
return __callback(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/click/decorators.py", line 33, in new_func
return f(get_current_context(), *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/bindgen/__main__.py", line 101, in all
ctx.invoke(parse, configuration=configuration, output=tmp_parsed, platform=platform)
File "/usr/lib/python3.11/site-packages/click/core.py", line 783, in invoke
return __callback(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/click/decorators.py", line 45, in new_func
return f(get_current_context().obj, *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/bindgen/__main__.py", line 40, in parse
result = parse_modules(obj.verbose,obj.njobs,settings,module_mapping,module_settings,platform)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/bindgen/__init__.py", line 248, in parse_modules
modules = Parallel(prefer='processes',n_jobs=n_jobs)\
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/joblib/parallel.py", line 1952, in __call__
return output if self.return_generator else list(output)
^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/joblib/parallel.py", line 1595, in _get_outputs
yield from self._retrieve()
File "/usr/lib/python3.11/site-packages/joblib/parallel.py", line 1699, in _retrieve
self._raise_error_fast()
File "/usr/lib/python3.11/site-packages/joblib/parallel.py", line 1734, in _raise_error_fast
error_job.get_result(self.timeout)
File "/usr/lib/python3.11/site-packages/joblib/parallel.py", line 736, in get_result
return self._return_or_raise()
^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/joblib/parallel.py", line 754, in _return_or_raise
raise self._result
AttributeError: 'NoneType' object has no attribute 'name'
```
What's wrong with it?