-- Relax setuptools requirement and remove license-files for older setuptools compatibility.

--- pyproject.toml.orig 2026-06-08 01:39:29 UTC
+++ pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=77.0.0", "setuptools-scm"]
+requires = ["setuptools>=63.1.0", "setuptools-scm"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -7,7 +7,6 @@ readme = "README.md"
 dynamic = ["version"]
 description = "An implementation of Lisp/Scheme-like cons in Python."
 readme = "README.md"
-license-files = ["LICENSE.txt"]
 authors = [
     { name = "Brandon T. Willard", email = "brandonwillard+cons@gmail.com" },
 ]