{ inputs = { nixpkgs.url = "github:nixos/nixpkgs/release-22.11"; flake-utils.url = "github:numtide/flake-utils"; }; outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system: let pkgs = nixpkgs.legacyPackages.${system}; pyDeps = p: with p; [ numpy scipy matplotlib ]; in rec { devShell = pkgs.mkShell { buildInputs = with pkgs; [ (python3.withPackages pyDeps) jupyter pandoc ]; }; }); }