From 4ad546b7d942e9ba4e5812bcbbe2013cbf3f266a Mon Sep 17 00:00:00 2001
From: "panxuchen.pxc" <panxuchen.pxc@alibaba-inc.com>
Date: Sun, 4 Feb 2024 16:31:44 +0800
Subject: [PATCH] fix singleton in monitor test

---
 tests/monitor_test.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/monitor_test.py b/tests/monitor_test.py
index 26ac418c8..3fc54470a 100644
--- a/tests/monitor_test.py
+++ b/tests/monitor_test.py
@@ -15,6 +15,7 @@ class MonitorFactoryTest(unittest.TestCase):
     "Test class for MonitorFactory"
 
     def setUp(self) -> None:
+        MonitorFactory._instance = None  # pylint: disable=W0212
         self.db_path = f"test-{uuid.uuid4()}.db"
         _ = MonitorFactory.get_monitor(db_path=self.db_path)