-- Use old-style license field format compatible with setuptools < 77.0.3.
-- PEP 639 license = 'SPDX-expr' syntax requires newer setuptools.
--- pyproject.toml.orig	2026-09-30 21:16:49 UTC
+++ pyproject.toml
@@ -7,8 +7,7 @@ readme = 'README.rst'
 description = 'GPAW: DFT and beyond within the projector-augmented wave method'
 dynamic = ['version']
 readme = 'README.rst'
-license = 'GPL-3.0-or-later'
-license-files = ['LICENSE']
+license = {text = "GPL-3.0-or-later"}
 maintainers = [{ name = 'GPAW Community', email = 'gpaw-users@listserv.fysik.dtu.dk' }]
 
 classifiers = [