From 874c440f9ba3b227193630e35cff00771b5164df Mon Sep 17 00:00:00 2001
From: Peter Law <PeterJCLaw@gmail.com>
Date: Sun, 30 Nov 2025 20:55:25 +0000
Subject: [PATCH] Use `MaxConnectionsError` in the asyncio pool too

This aligns to the docs which indicate that this error type will
be used when pool attempts to create more connections than are
allowed.

Fixes https://github.com/redis/redis-py/issues/3237
---
 redis/asyncio/connection.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/redis/asyncio/connection.py b/redis/asyncio/connection.py
index b819836af6..c5764f7343 100644
--- a/redis/asyncio/connection.py
+++ b/redis/asyncio/connection.py
@@ -57,6 +57,7 @@
     AuthenticationWrongNumberOfArgsError,
     ConnectionError,
     DataError,
+    MaxConnectionsError,
     RedisError,
     ResponseError,
     TimeoutError,
@@ -1208,7 +1209,7 @@ def get_available_connection(self):
             connection = self._available_connections.pop()
         except IndexError:
             if len(self._in_use_connections) >= self.max_connections:
-                raise ConnectionError("Too many connections") from None
+                raise MaxConnectionsError("Too many connections") from None
             connection = self.make_connection()
         self._in_use_connections.add(connection)
         return connection