{ description = ""; inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; inputs.flake-utils.url = "github:numtide/flake-utils"; inputs.devshell.url = "github:numtide/devshell"; outputs = { self, nixpkgs, flake-utils, devshell }: flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; config.allowUnfree = true; overlays = [ devshell.overlay ]; }; myPython = pkgs.python310.withPackages (p: with p; [ yt-dlp ]); in { devShell = pkgs.devshell.mkShell { name = ""; packages = with pkgs; [ myPython ]; # Use $1 for positional args commands = [ # { # name = ""; # help = ""; # command = ""; # } ]; }; }); }