From 2f65fcc292f995e0e36cdbb2445e430030bae7c9 Mon Sep 17 00:00:00 2001
From: Bibo-Joshi <22366557+Bibo-Joshi@users.noreply.github.com>
Date: Mon, 29 Jan 2024 13:13:41 +0100
Subject: [PATCH] Deprecate `filters.CHAT` (#4083)

---
 telegram/ext/filters.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/telegram/ext/filters.py b/telegram/ext/filters.py
index 51b156b7c..d97047aff 100644
--- a/telegram/ext/filters.py
+++ b/telegram/ext/filters.py
@@ -877,7 +877,11 @@ class _Chat(MessageFilter):
 
 
 CHAT = _Chat(name="filters.CHAT")
-"""This filter filters *any* message that has a :attr:`telegram.Message.chat`."""
+"""This filter filters *any* message that has a :attr:`telegram.Message.chat`.
+
+.. deprecated:: NEXT.VERSION
+   This filter has no effect since :attr:`telegram.Message.chat` is always present.
+"""
 
 
 class ChatType:  # A convenience namespace for Chat types.