# https://github.com/DavHau/mach-nix/blob/master/examples.md { pkgs ? import {} }: let mach-nix = import ( builtins.fetchGit { url = "https://github.com/DavHau/mach-nix/"; ref = "refs/tags/3.3.0"; } ) { python = "python39"; }; in mach-nix.mkPythonShell { requirements = builtins.readFile ./requirements.txt; }