Dependency Walker - a tool that recursive listing and fixing-up dependencies of a PE file (exe, dll, ocx, sys, etc) that it depends on several missing dependency modules (dll, ocx, etc).
The PyVutils library can be found on GitHub
Run
PyInstaller --onefile DW.pyorbuilder.cmdto create a single exe
$ python3 DW.py -h
Website: https://vic.onl/