don't have an opinion about Sphinx version

nedbat · nedbat · commit eccf3a59ed3d · 2026-03-26T09:11:53.000-04:00
CPython docs want Sphinx&lt;9.0.0, and we need to work with them.
diff --git a/pyproject.toml b/pyproject.toml
@@ -15,7 +15,7 @@ classifiers = [
 requires-python = ">= 3.12"
 
 dependencies = [
-    "Sphinx>9.0.0",
+    "Sphinx",
 ]
 
 dynamic = ["version"]
diff --git a/tox.ini b/tox.ini
@@ -1,13 +1,16 @@
 [tox]
 requires =
     tox>=4.32
-env_list = py3{12-15}, coverage
+env_list = py3{12-15}-sphinx{8,9}, coverage
 
 [testenv]
 extras =
     dev
 pass_env =
     FORCE_COLOR
+deps =
+    sphinx8: sphinx>8,<9
+    sphinx9: sphinx>9,<10
 commands =
     coverage run -m pytest {posargs}
 
