From 629b0aef8c3ff3441ad1e0ff0fa34cc2aac9f896 Mon Sep 17 00:00:00 2001
From: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Date: Sun, 11 Aug 2024 17:35:04 +0100
Subject: [PATCH] Remove ``sphinx.util.Tee`` (#12763)

---
 CHANGES.rst             |  3 +++
 sphinx/util/__init__.py | 22 +---------------------
 2 files changed, 4 insertions(+), 21 deletions(-)

diff --git a/CHANGES.rst b/CHANGES.rst
index bf85a55d2ea..596259e74db 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -10,6 +10,9 @@ Dependencies
 Incompatible changes
 --------------------
 
+* #12763: Remove unused internal class ``sphinx.util.Tee``.
+  Patch by Adam Turner.
+
 Deprecated
 ----------
 
diff --git a/sphinx/util/__init__.py b/sphinx/util/__init__.py
index 999c5ce4c11..ca0ac3139ed 100644
--- a/sphinx/util/__init__.py
+++ b/sphinx/util/__init__.py
@@ -7,7 +7,7 @@
 import posixpath
 import re
 from os import path
-from typing import IO, Any
+from typing import Any
 from urllib.parse import parse_qsl, quote_plus, urlencode, urlsplit, urlunsplit
 
 from sphinx.errors import FiletypeNotFoundError
@@ -164,26 +164,6 @@ def __call__(self, error: UnicodeDecodeError) -> tuple[str, int]:
 
 # Low-level utility functions and classes.
 
-class Tee:
-    """
-    File-like object writing to two streams.
-    """
-
-    def __init__(self, stream1: IO, stream2: IO) -> None:
-        self.stream1 = stream1
-        self.stream2 = stream2
-
-    def write(self, text: str) -> None:
-        self.stream1.write(text)
-        self.stream2.write(text)
-
-    def flush(self) -> None:
-        if hasattr(self.stream1, 'flush'):
-            self.stream1.flush()
-        if hasattr(self.stream2, 'flush'):
-            self.stream2.flush()
-
-
 def parselinenos(spec: str, total: int) -> list[int]:
     """Parse a line number spec (such as "1,2,4-6") and return a list of
     wanted line numbers.