further fix for command parents

[NeloBlivion]

end the suffering

(fixes 2nd level subcommand parent being the root command)

Information

• This PR fixes an issue.
• This PR adds something new (e.g. new method or parameters).
• This PR is a breaking change (e.g. methods or parameters removed/renamed).
• This PR is not a code change (e.g. documentation, README, typehinting,
  examples, ...).

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