{
  description = "Utilities to setup JupyterLab with given kernels available";
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
    poetry2nix = {
      url = "github:nix-community/poetry2nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };
  outputs = {
    self,
    nixpkgs,
    poetry2nix,
  }: let
    system = "x86_64-linux";
    pkgs = import nixpkgs {inherit system;};
  in {
    lib.${system} = {
      mkIpythonKernel = pkgs.callPackage ./lib/ipykernel.nix {};
      mkShellHook = import ./lib/shellhook.nix;
    };
    packages.${system} = with self.lib.${system}; {
      poetry2nix = poetry2nix.lib.mkPoetry2Nix {inherit pkgs;};
      catppuccin_jupyterlab = import ./catppuccin_jupyterlab/default.nix;
      default = pkgs.callPackage ./default.nix {inherit mkShellHook;};
    };
  };
}