dev-python/antlr4-python3-runtime: Enable py3.12

Closes: https://bugs.gentoo.org/929434
Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/antlr4-python3-runtime/antlr4-python3-runtime-4.13.1.ebuild

@@ -1,10 +1,10 @@
-# Copyright 2022-2023 Gentoo Authors
+# Copyright 2022-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
 DISTUTILS_USE_PEP517=setuptools
-PYTHON_COMPAT=( python3_{10..11} )
+PYTHON_COMPAT=( python3_{10..12} )
 
 inherit distutils-r1
 
@@ -25,6 +25,13 @@ LICENSE="BSD"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
 
+src_prepare() {
+	# https://github.com/antlr/antlr4/pull/4593
+	sed -i -e 's:assertEquals:assertEqual:' tests/TestIntervalSet.py || die
+
+	distutils-r1_src_prepare
+}
+
 python_test() {
 	"${EPYTHON}" tests/run.py -v || die "Tests failed with ${EPYTHON}"
 }