What's the correct PYTHONPATH for OS X and QGIS 3.4? I want to make a QGIS standalone app but get the "ModuleNotFoundError: No module named 'qgis'" error. This happens after following the OS X instructions at the end of Setting PythonPath.
OS X 10.11.6 QGIS 3.4.4 Python 3.6.8