{
  description = "my project description";
  inputs.flake-utils.url = "github:numtide/flake-utils";

  outputs = {
    self,
    nixpkgs,
    flake-utils,
  }:
    flake-utils.lib.eachDefaultSystem
    (
      system: let
        pkgs = nixpkgs.legacyPackages.${system};
      in {
        devShells.default = pkgs.mkShell {
          packages = with pkgs; [python313Full python313Packages.signedjson python313Packages.requests python313Packages.systemd python313Packages.setuptools black];
        };
      }
    );
}