I'm getting the following error on a simple deployment at the moment:

-> % colmena apply
[INFO ] Enumerating nodes...
error: infinite recursion encountered

       at /nix/store/y41rr1klzvwrmjs6smyl8kd1ipa5m5kj-source/lib/modules.nix:305:28:

          304|         builtins.addErrorContext (context name)
          305|           (args.${name} or config._module.args.${name})
             |                            ^
          306|       ) (lib.functionArgs f);
(use '--show-trace' to show detailed location information)
[ERROR] -----
[ERROR] Operation failed with error: Nix exited with error code: 1

NixOS config is

{ config, lib, pkgs, modulesPath, home-manager, ... }:
{
  deployment = {
    targetHost = "192.168.x.y";
    targetUser = "nixos";
    tags = [ "rpi" "lab" ];
  };

  imports = [
    (home-manager + "/nixos")
  ];
}