let
  pkgs = import <nixpkgs> {};
  stdenv = pkgs.stdenv;

in stdenv.mkDerivation (with pkgs; {
  name = "env";

  nativeBuildInputs = [ ];

  buildInputs = [
    (python37.withPackages (ps: with ps; [
      tensorflow
      tensorflow-probability
      numpy
      Keras
      pandas
      spacy
    ]))
  ];
})