[issue42457] ArgumentParser nested subparsers resolve paths in improper order

Change by Alexey Izbyshev : -- nosy: +rhettinger versions: -Python 3.6, Python 3.7 ___ Python tracker ___ ___ Python-bugs-list

[issue42457] ArgumentParser nested subparsers resolve paths in improper order

New submission from Carson Wilber : ArgumentParser improperly resolves arguments in an improper order when using nested subparsers if there are required arguments at more than one layer. A minimum viable reproduction is to create a set of subparsers on a primary parser, and a set of