{
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

  outputs = {
    self,
    nixpkgs,
  }: let
    system = "x86_64-linux";
    pkgs = nixpkgs.legacyPackages.${system};
    # lib = nixpkgs.lib;
  in {
    devShells.${system}.default = pkgs.mkShell {
      packages = with pkgs; [circup] ++ (with pkgs.python311Packages; [python-lsp-server]);
    };
  };
}