{ pkgs, ... }: pkgs.python.buildPythonPackage rec { pname = "tkcalendar"; version = "1.6.1"; src = pkgs.fetchFromGitHub { owner = "j4321"; repo = "tkcalendar"; rev = "v${version}"; sha256 = ""; }; propagatedBuildInputs = [ pkgs.python310Packages.babel ]; pythonImportsCheck = [ "tkcalendar" ]; }