nixos home manager install fail

config:

{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # add ags
    ags.url = "github:Aylur/ags";
  };

  outputs = { home-manager, nixpkgs, ... }@inputs:
  let
    system = "x86_64-linux";
  in
  {
    homeConfigurations."${username}" = home-manager.lib.homeManagerConfiguration {
      pkgs = import nixpkgs { inherit system; };

      # pass inputs as specialArgs
      extraSpecialArgs = { inherit inputs; };

      # import your home.nix
      modules = [ ./home-manager/home.nix ];
    };
  };
}

{ inputs, pkgs, ... }:
{
  # add the home manager module
  imports = [ inputs.ags.homeManagerModules.default ];

  programs.ags = {
    enable = true;

    # null or path, leave as null if you don't want hm to manage the config
    configDir = null;

    # additional packages to add to gjs's runtime
    extraPackages = with pkgs; [
      gtksourceview
      webkitgtk
      accountsservice
    ];
  };
}

Executing subproject gvc

gvc| Project name: gvc
...skipping...
    tree = parse(filename)
           ^^^^^^^^^^^^^^^
  File "/nix/store/6b1fqdwb3g56j5pazv8zkx9qd0mv3wiz-python3-3.11.9/lib/python3.11/xml/etree/ElementTree.py", line 1219, in parse
    tree.parse(source, parser)
  File "/nix/store/6b1fqdwb3g56j5pazv8zkx9qd0mv3wiz-python3-3.11.9/lib/python3.11/xml/etree/ElementTree.py", line 575, in parse
    parser = XMLParser()
             ^^^^^^^^^^^
  File "/nix/store/6b1fqdwb3g56j5pazv8zkx9qd0mv3wiz-python3-3.11.9/lib/python3.11/xml/etree/ElementTree.py", line 1535, in __init__
    raise ImportError(
ImportError: No module named expat; use SimpleXMLTreeBuilder instead
[15/22] Compiling C object subprojects/gvc/libgvc.so.p/gvc-mixer-ui-device.c.o
[16/22] Compiling C object subprojects/gvc/libgvc.so.p/gvc-mixer-stream.c.o
../subprojects/gvc/gvc-mixer-stream.c: In function 'on_channel_map_volume_changed':
../subprojects/gvc/gvc-mixer-stream.c:370:48: warning: unused parameter 'channel_map' [-Wunused-parameter]
  370 | on_channel_map_volume_changed (GvcChannelMap  *channel_map,
      |                                ~~~~~~~~~~~~~~~~^~~~~~~~~~~
../subprojects/gvc/gvc-mixer-stream.c: In function 'gvc_mixer_stream_real_change_port':
../subprojects/gvc/gvc-mixer-stream.c:817:52: warning: unused parameter 'stream' [-Wunused-parameter]
  817 | gvc_mixer_stream_real_change_port (GvcMixerStream *stream,
      |                                    ~~~~~~~~~~~~~~~~^~~~~~
../subprojects/gvc/gvc-mixer-stream.c:818:52: warning: unused parameter 'port' [-Wunused-parameter]
  818 |                                    const char     *port)
      |                                    ~~~~~~~~~~~~~~~~^~~~
../subprojects/gvc/gvc-mixer-stream.c: In function 'gvc_mixer_stream_real_push_volume':
../subprojects/gvc/gvc-mixer-stream.c:824:52: warning: unused parameter 'stream' [-Wunused-parameter]
  824 | gvc_mixer_stream_real_push_volume (GvcMixerStream *stream, gpointer *op)
      |                                    ~~~~~~~~~~~~~~~~^~~~~~
../subprojects/gvc/gvc-mixer-stream.c:824:70: warning: unused parameter 'op' [-Wunused-parameter]
  824 | gvc_mixer_stream_real_push_volume (GvcMixerStream *stream, gpointer *op)
      |                                                            ~~~~~~~~~~^~
../subprojects/gvc/gvc-mixer-stream.c: In function 'gvc_mixer_stream_real_change_is_muted':
../subprojects/gvc/gvc-mixer-stream.c:830:56: warning: unused parameter 'stream' [-Wunused-parameter]
  830 | gvc_mixer_stream_real_change_is_muted (GvcMixerStream *stream,
      |                                        ~~~~~~~~~~~~~~~~^~~~~~
../subprojects/gvc/gvc-mixer-stream.c:831:56: warning: unused parameter 'is_muted' [-Wunused-parameter]
  831 |                                        gboolean        is_muted)
      |                                        ~~~~~~~~~~~~~~~~^~~~~~~~
[17/22] Generating src/typescript-compile with a custom command
ninja: build stopped: subcommand failed.

Aylur / ags

nixos home manager install fail #491