{ 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 = nixpkgs.legacyPackages.${system}; in { devShell = pkgs.mkShell { buildInputs = with pkgs; [ python311 python311Packages.datasets python311Packages.pillow ]; }; }); }