Pin setuptools==60.8.2.

HexDecimal · HexDecimal · commit 9ccf7777f015 · 2022-02-14T20:37:13.000-08:00
The latest version breaks in PyPy for an unknown reason.
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
 requires = [
-    "setuptools>=60.9.0",
+    "setuptools==60.8.2",
     "wheel>=0.37.1",
     "cffi>=1.15",
     "pycparser>=2.14",
diff --git a/requirements.txt b/requirements.txt
@@ -1,7 +1,7 @@
 cffi>=1.15
 numpy>=1.20.3
 pycparser>=2.14
-setuptools>=60.9.0
+setuptools==60.8.2
 types-setuptools
 types-tabulate
 typing_extensions
