From 38a5a640c099b1a2e8e6b5c2034998dd8dbc3be4 Mon Sep 17 00:00:00 2001
From: Cosimo Lupo <clupo@google.com>
Date: Thu, 22 Aug 2024 19:47:09 +0100
Subject: [PATCH] pyproject.toml: pin setuptools < 72.2 to avoid issue with
 PyPy >=3.8

only with setuptools >= 72.2 we get the "TypeError: 'NoneType' object is not subscriptable (key slice(None, None, None))" error when building the extension module on PyPy 3.8+ on Linux and MacOS.

fixup
---
 pyproject.toml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index bbfde70..4281c09 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,8 @@
 [build-system]
 requires = [
-    "setuptools >= 36.4",
+    # pinning setuptools until an issue with pypy3 gets fixed upstream:
+    # https://github.com/pypa/distutils/issues/283
+    "setuptools >= 36.4, < 72.2",
     "wheel",
     "setuptools_scm >= 2.1",
     "cython >= 0.28.1",