{ pkgs ? import {}, python ? pkgs.python39, ... }: let python-packages = ps: with ps; [ pip setuptools wheel ]; in pkgs.mkShell { nativeBuildInputs = with pkgs; [ (python.withPackages python-packages) git zlib libgccjit ]; shellHook = '' export LD_LIBRARY_PATH="${pkgs.zlib}/lib:${pkgs.libgccjit}/lib" python -m venv .venv source .venv/bin/activate ''; }