Bug#1127502: cmd2: FTBFS: ERROR tests/test_argparse_completer.py - AttributeError: 'Cmd2HelpFormatter'

[Bastian Germann]

Control: forwarded -1 https://github.com/python-cmd2/cmd2/pull/1572
Control: tags -1 fixed-upstream

Please import the version after 3.2.0 (when available) to fix this.