1 files changed, 5 insertions, 5 deletions
diff --git a/BaseTools/Source/Python/CommonDataClass/CommonClass.py b/BaseTools/Source/Python/CommonDataClass/CommonClass.py
index e6c4495c95..6a8262e5e9 100644
--- a/BaseTools/Source/Python/CommonDataClass/CommonClass.py
+++ b/BaseTools/Source/Python/CommonDataClass/CommonClass.py
@@ -44,11 +44,11 @@ def GenerateHelpText(Text, Lang):
 class CommonClass(object):
     def __init__(self, Usage = None, FeatureFlag = '', SupArchList = None, HelpText = ''):
         self.Usage = Usage
-        if self.Usage == None:
+        if self.Usage is None:
             self.Usage = []
         self.FeatureFlag = FeatureFlag
         self.SupArchList = SupArchList
-        if self.SupArchList == None:
+        if self.SupArchList is None:
             self.SupArchList = []
         self.HelpText = HelpText
         self.HelpTextList = []
@@ -375,13 +375,13 @@ class PcdClass(CommonClass):
         self.PcdCName = ''
         self.Value = ''
         self.Offset = ''
-        if self.ValidUsage == None:
+        if self.ValidUsage is None:
             self.ValidUsage = []
         self.SkuInfoList = SkuInfoList
-        if self.SkuInfoList  == None:
+        if self.SkuInfoList  is None:
             self.SkuInfoList  = {}
         self.SupModuleList = SupModuleList
-        if self.SupModuleList == None:
+        if self.SupModuleList is None:
             self.SupModuleList = []
         CommonClass.__init__(self)
         self.PcdErrors = []