error:
       … while evaluating a branch condition
         at «string»:25:5:
           24|     v:
           25|     if !builtins.isAttrs v || isDrv v then
             |     ^
           26|       v

       … in the left operand of the OR (||) operator
         at «string»:25:28:
           24|     v:
           25|     if !builtins.isAttrs v || isDrv v then
             |                            ^
           26|       v

       … while evaluating the option `system.build.toplevel':

       … while evaluating definitions from `/nix/store/6nwzgfvznah5rg192x0hnl5ykchdgi59-source/nixos/modules/system/activation/top-level.nix':

       … while evaluating the option `warnings':

       … while evaluating definitions from `/nix/store/6nwzgfvznah5rg192x0hnl5ykchdgi59-source/nixos/modules/system/boot/systemd.nix':

       … while evaluating the option `systemd.services.nixbot.serviceConfig':

       … while evaluating definitions from `/nix/store/4caaw6szkv8xyhz0920sm7q5mvrwgfwc-source/nixosModules/nixbot.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: attribute 'nix' missing
       at «github:Mic92/nixbot/7ffdba2e105df436124770b9c812350460813d33?narHash=sha256-FhLQ1a0rEzVWHs39oSJUcefzAnVh7sOu9MeHEAX3JIU%3D»/packages/nixbot.nix:56:19:
           55|
           56|   buildInputs = [ nix-eval-jobs.nix ];
             |                   ^
           57|