{ inputs = { nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; flake-utils.url = "github:numtide/flake-utils"; }; outputs = { self, nixpkgs, flake-utils, ... }: flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; }; in { devShell = pkgs.mkShell rec { buildInputs = with pkgs; [ ]; nativeBuildInputs = with pkgs; [ python312Packages.pandas python312Packages.matplotlib python312Packages.imageio python312Packages.requests python312Packages.csvw python312 ]; }; packages.default = pkgs.mkDerivation {}; } ); }