{
  tinypkgs ? import (fetchTarball https://gitlab.inria.fr/nix-tutorial/packages-repository/-/archive/master/packages-repository-master.tar.gz) {}
}:

with tinypkgs; 
with pkgs; 

mkShell {
  buildInputs = [
    chord

    (python3.withPackages (ps: with ps; with python3Packages; [
      jupyter
      ipython
      python3Packages.seaborn
       pandas
       numpy
       matplotlib
       torch
       Keras 
       tensorflow
    ]))
  ];

  shellHook = "jupyter notebook";
}