let
  pkgs = import <nixpkgs> {};
in pkgs.mkShell {
  packages = [
    (pkgs.python3.withPackages (python-pkgs: [
      python-pkgs.langchain
      python-pkgs.langchain-community
      python-pkgs.chromadb
      python-pkgs.pypdf
      python-pkgs.streamlit
      python-pkgs.ollama
    ]))
  ];
}