this derivation will be built:
  /nix/store/fy7q0f4mxxrbr0f5ndl1gysxzlvwvd9y-treefmt-check.drv
building '/nix/store/fy7q0f4mxxrbr0f5ndl1gysxzlvwvd9y-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 228 files
treefmt-check> emitted 191 files for processing
treefmt-check> formatted 191 files (1 changed) in 8.639s
treefmt-check>  M nixbot_effects/nixbot_effects/cli.py
treefmt-check> diff --git a/nixbot_effects/nixbot_effects/cli.py b/nixbot_effects/nixbot_effects/cli.py
treefmt-check> index cfc0207..0c9f9fd 100644
treefmt-check> --- a/nixbot_effects/nixbot_effects/cli.py
treefmt-check> +++ b/nixbot_effects/nixbot_effects/cli.py
treefmt-check> @@ -356,5 +356,6 @@ def main() -> None:
treefmt-check>      args = parse_args()
treefmt-check>      args.func(args)
treefmt-check>  
treefmt-check> +
treefmt-check>  if __name__ == "__main__":
treefmt-check>      main()
error: Cannot build '/nix/store/fy7q0f4mxxrbr0f5ndl1gysxzlvwvd9y-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/2kv487zqn0vcymrkkncb42c4nlrdrs68-treefmt-check
       Last 15 log lines:
       > treefmt v2.5.0traversed 228 files
       > emitted 191 files for processing
       > formatted 191 files (1 changed) in 8.639s
       >  M nixbot_effects/nixbot_effects/cli.py
       > diff --git a/nixbot_effects/nixbot_effects/cli.py b/nixbot_effects/nixbot_effects/cli.py
       > index cfc0207..0c9f9fd 100644
       > --- a/nixbot_effects/nixbot_effects/cli.py
       > +++ b/nixbot_effects/nixbot_effects/cli.py
       > @@ -356,5 +356,6 @@ def main() -> None:
       >      args = parse_args()
       >      args.func(args)
       >  
       > +
       >  if __name__ == "__main__":
       >      main()
       For full logs, run:
         nix log /nix/store/fy7q0f4mxxrbr0f5ndl1gysxzlvwvd9y-treefmt-check.drv