{ pkgs ? import {} }: pkgs.mkShell { buildInputs = [ pkgs.python312 pkgs.python312Packages.networkx pkgs.python312Packages.matplotlib pkgs.python312Packages.requests pkgs.python312Packages.bleach pkgs.python312Packages.beautifulsoup4 pkgs.python312Packages.pygraphviz ]; shellHook = '' python main.py ''; }