From 8456293da2c29142ca8fdf0c31e74b3bce657652 Mon Sep 17 00:00:00 2001
From: Shane Harvey <shnhrv@gmail.com>
Date: Tue, 21 May 2024 11:30:43 -0700
Subject: [PATCH] PYTHON-4398 Close mongos test clients to avoid thread build
 up (#1643)

---
 test/unified_format.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/unified_format.py b/test/unified_format.py
index cf4e3a878..3f98b571b 100644
--- a/test/unified_format.py
+++ b/test/unified_format.py
@@ -1030,6 +1030,12 @@ class UnifiedSpecTestMixinV1(IntegrationTest):
             if "retryable-writes" in cls.TEST_SPEC["description"]:
                 raise unittest.SkipTest("MMAPv1 does not support retryWrites=True")
 
+    @classmethod
+    def tearDownClass(cls):
+        for client in cls.mongos_clients:
+            client.close()
+        super().tearDownClass()
+
     def setUp(self):
         super().setUp()
         # process schemaVersion