{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/293a28df6d7ff3dec1e61e37cc4ee6e6c0fb0847.tar.gz") {} }:
pkgs.mkShell {
  buildInputs = [
    pkgs.nodejs
    pkgs.nodePackages.lerna
    pkgs.python
    pkgs.sqlite
  ];
}