hetznerctl: Fix PEP8 errors
hetznerctl: Fix PEP8 errors

I missed those in I418afdaea9f2d3f580303467822b8e9409af1c5a.

Signed-off-by: aszlig <ee1aa092358634f9c53f01b5a783726c9e21b35a@nix.build>

RedMoonStudios/hetzner