/usr/include/ is in libpythonqt-qt5-common-dev 3.2-7build2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/PythonQt5/
/usr/include/PythonQt5/PythonQt.h
/usr/include/PythonQt5/PythonQtBoolResult.h
/usr/include/PythonQt5/PythonQtClassInfo.h
/usr/include/PythonQt5/PythonQtClassWrapper.h
/usr/include/PythonQt5/PythonQtConversion.h
/usr/include/PythonQt5/PythonQtCppWrapperFactory.h
/usr/include/PythonQt5/PythonQtDoc.h
/usr/include/PythonQt5/PythonQtImportFileInterface.h
/usr/include/PythonQt5/PythonQtImporter.h
/usr/include/PythonQt5/PythonQtInstanceWrapper.h
/usr/include/PythonQt5/PythonQtMethodInfo.h
/usr/include/PythonQt5/PythonQtMisc.h
/usr/include/PythonQt5/PythonQtObjectPtr.h
/usr/include/PythonQt5/PythonQtProperty.h
/usr/include/PythonQt5/PythonQtPythonInclude.h
/usr/include/PythonQt5/PythonQtQFileImporter.h
/usr/include/PythonQt5/PythonQtSignal.h
/usr/include/PythonQt5/PythonQtSignalReceiver.h
/usr/include/PythonQt5/PythonQtSlot.h
/usr/include/PythonQt5/PythonQtSlotDecorator.h
/usr/include/PythonQt5/PythonQtStdDecorators.h
/usr/include/PythonQt5/PythonQtStdIn.h
/usr/include/PythonQt5/PythonQtStdOut.h
/usr/include/PythonQt5/PythonQtSystem.h
/usr/include/PythonQt5/PythonQtUtils.h
/usr/include/PythonQt5/PythonQtVariants.h
/usr/include/PythonQt5/gui/
/usr/include/PythonQt5/gui/PythonQtScriptingConsole.h