{
	pkgs ? import <nixpkgs> { },
	qpkgs ? let
		src = fetchTarball "https://github.com/Qyriad/nur-packages/archive/main.tar.gz";
	in import src { inherit pkgs; },
	dynix ? import ./default.nix { inherit pkgs qpkgs; },
}: let
	inherit (pkgs) lib;

	mkDevShell = dynix: qpkgs.callPackage dynix.mkDevShell { };
	devShell = mkDevShell dynix;

	byStdenv = lib.mapAttrs (lib.const mkDevShell) dynix.byStdenv;

in devShell.overrideAttrs (prev: lib.recursiveUpdate prev {
	passthru = { inherit byStdenv; };
	env.PYTHONPATH = [
		"${pkgs.python3Packages.beartype}/${pkgs.python3.sitePackages}"
	] |> lib.concatStringsSep ":";
	packages = prev.packages or [ ] ++ [
		pkgs.python3Packages.beartype
	];
})