From b949b1b4b01113615f878e29f58b1c23484a1b78 Mon Sep 17 00:00:00 2001
From: shenglian zhou <shenglian_zhou@163.com>
Date: Fri, 7 Jan 2022 14:18:18 +0800
Subject: [PATCH] (query,insert,other):fix cluster compatbility

---
 tests/pytest/util/dnodes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/pytest/util/dnodes.py b/tests/pytest/util/dnodes.py
index 235e4d25e0..b45e5b96c3 100644
--- a/tests/pytest/util/dnodes.py
+++ b/tests/pytest/util/dnodes.py
@@ -231,7 +231,7 @@ class TDDnode:
         # self.cfg("logDir",self.logDir)
         # print(updatecfgDict)
         isFirstDir = 1
-        if updatecfgDict[0] and updatecfgDict[0][0]:
+        if bool(updatecfgDict) and updatecfgDict[0] and updatecfgDict[0][0]:
             print(updatecfgDict[0][0])
             for key,value in updatecfgDict[0][0].items():
                 if value == 'dataDir' :
-- 
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