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 definitions from `/nix/store/s0fpxz3rvfip9bc50wfmwpigxiyl6nkg-source/modules/transposition.nix':

       … while evaluating definitions from `/nix/store/xisknvv012ad7ckijc2hm84bflw56plq-source/flake/checks.nix, via option perSystem':

       … while evaluating the option `services.openssh.enable':

       … while evaluating definitions from `/nix/store/zv3ly383mi8kwbp46q6k8qqnzq6850df-source/nixos-modules/microvm/vsock-ssh.nix':

       … while evaluating the option `microvm.vsock.ssh.enable':

       … while evaluating definitions from `/nix/store/xisknvv012ad7ckijc2hm84bflw56plq-source/modules/microvm-guest/common.nix':

       … while evaluating the option `modules.microvm-guest.host':

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

       error: A definition for option `modules.microvm-guest.host' is not of type `one of "quine", "dewey"'. Definition values:
       - In `/nix/store/xisknvv012ad7ckijc2hm84bflw56plq-source/modules/microvm-guest/options.nix': null