is OK. But if I have two modules 'foo.py' and 'bar.py' in the same folder, and foo.py does. import bar. then the import fails if I run foo.py, it cannot find bar. This works fine with a normal Python ...

Simply load '_test.py' with a the import from PySide2 import QtCore to reproduce. The only happens with Natlink and not other engines or dragonfly text engine. shiboken2 does exist in: ...