/usr/include/ is in libpythonqt-dev 3.0-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/PythonQt/
/usr/include/PythonQt/PythonQt.h
/usr/include/PythonQt/PythonQtBoolResult.h
/usr/include/PythonQt/PythonQtClassInfo.h
/usr/include/PythonQt/PythonQtClassWrapper.h
/usr/include/PythonQt/PythonQtConversion.h
/usr/include/PythonQt/PythonQtCppWrapperFactory.h
/usr/include/PythonQt/PythonQtDoc.h
/usr/include/PythonQt/PythonQtImportFileInterface.h
/usr/include/PythonQt/PythonQtImporter.h
/usr/include/PythonQt/PythonQtInstanceWrapper.h
/usr/include/PythonQt/PythonQtMethodInfo.h
/usr/include/PythonQt/PythonQtMisc.h
/usr/include/PythonQt/PythonQtObjectPtr.h
/usr/include/PythonQt/PythonQtPythonInclude.h
/usr/include/PythonQt/PythonQtQFileImporter.h
/usr/include/PythonQt/PythonQtSignal.h
/usr/include/PythonQt/PythonQtSignalReceiver.h
/usr/include/PythonQt/PythonQtSlot.h
/usr/include/PythonQt/PythonQtStdDecorators.h
/usr/include/PythonQt/PythonQtStdIn.h
/usr/include/PythonQt/PythonQtStdOut.h
/usr/include/PythonQt/PythonQtSystem.h
/usr/include/PythonQt/PythonQtUtils.h
/usr/include/PythonQt/PythonQtVariants.h
/usr/include/PythonQt/PythonQt_QtBindings.h
/usr/include/PythonQt/gui/
/usr/include/PythonQt/gui/PythonQtScriptingConsole.h