diff -r 45c1a38f8709 -r 26080284df3c pyproject.toml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pyproject.toml	Sun Dec 05 14:58:56 2021 +0200
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel", "py2app"]
+build-backend = "setuptools.build_meta"