From 256e52180759e7205178a8aa087ee1e362b7669d Mon Sep 17 00:00:00 2001
From: danieleades <33452915+danieleades@users.noreply.github.com>
Date: Mon, 2 Jan 2023 17:55:53 +0000
Subject: [PATCH] Shrink mypy whitelist for 'util.nodes' module (#11061)

---
 pyproject.toml       | 3 +--
 sphinx/util/nodes.py | 8 ++++----
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 70b44edaf..78c8bec05 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -251,11 +251,10 @@ module = [
     "sphinx.util.cfamily",
     "sphinx.util.docfields",
     "sphinx.util.docutils",
-    "sphinx.util.nodes",
     "sphinx.util.typing",
     "sphinx.writers.latex",
     "sphinx.writers.text",
-    "sphinx.writers.xml"
+    "sphinx.writers.xml",
 ]
 strict_optional = false
 
diff --git a/sphinx/util/nodes.py b/sphinx/util/nodes.py
index 201b547d9..884965b93 100644
--- a/sphinx/util/nodes.py
+++ b/sphinx/util/nodes.py
@@ -264,18 +264,18 @@ def extract_messages(doctree: Element) -> Iterable[tuple[Element, str]]:
             yield node, msg
 
 
-def get_node_source(node: Element) -> str | None:
+def get_node_source(node: Element) -> str:
     for pnode in traverse_parent(node):
         if pnode.source:
             return pnode.source
-    return None
+    raise ValueError("node source not found")
 
 
-def get_node_line(node: Element) -> int | None:
+def get_node_line(node: Element) -> int:
     for pnode in traverse_parent(node):
         if pnode.line:
             return pnode.line
-    return None
+    raise ValueError("node line not found")
 
 
 def traverse_parent(node: Element, cls: Any = None) -> Iterable[Element]: