From b51c572c62c2a58833e93a18bb1dc423769e4ec3 Mon Sep 17 00:00:00 2001
From: Olivia Crain <olivia@olivia.dev>
Date: Fri, 15 Mar 2024 12:55:59 -0500
Subject: [PATCH] python39.doc: fix build with sphinx >= 5.3.0

Backport upstream fix for cpython issue 98366 from 3.10 tree
---
 pkgs/development/interpreters/python/cpython/default.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/development/interpreters/python/cpython/default.nix b/pkgs/development/interpreters/python/cpython/default.nix
index 0191517aa9ef..12c161695c47 100644
--- a/pkgs/development/interpreters/python/cpython/default.nix
+++ b/pkgs/development/interpreters/python/cpython/default.nix
@@ -604,6 +604,14 @@ in with passthru; stdenv.mkDerivation (finalAttrs: {
       inherit src;
       name = "python${pythonVersion}-${version}-doc";
 
+      patches = optionals (pythonAtLeast "3.9" && pythonOlder "3.10") [
+        # https://github.com/python/cpython/issues/98366
+        (fetchpatch {
+          url = "https://github.com/python/cpython/commit/5612471501b05518287ed61c1abcb9ed38c03942.patch";
+          hash = "sha256-p41hJwAiyRgyVjCVQokMSpSFg/VDDrqkCSxsodVb6vY=";
+        })
+      ];
+
       dontConfigure = true;
 
       dontBuild = true;