1 files changed, 3 insertions, 3 deletions
diff --git a/BaseTools/Source/Python/UPT/Parser/InfSectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfSectionParser.py
index 1f254058d1..44243b467b 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfSectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfSectionParser.py
@@ -206,7 +206,7 @@ class InfSectionParser(InfDefinSectionParser,
         if FilePath in cls.MetaFiles:
             return cls.MetaFiles[FilePath]
         else:
-            ParserObject = super(InfSectionParser, cls).__new__(cls)
+            ParserObject = super().__new__(cls)
             cls.MetaFiles[FilePath] = ParserObject
             return ParserObject
 
@@ -227,7 +227,7 @@ class InfSectionParser(InfDefinSectionParser,
         self.InfBuildOptionSection = InfBuildOptionsObject()
         self.InfLibraryClassSection = InfLibraryClassObject()
         self.InfPackageSection = InfPackageObject()
-        self.InfPcdSection = InfPcdObject(self.MetaFiles.keys()[0])
+        self.InfPcdSection = InfPcdObject(list(self.MetaFiles.keys())[0])
         self.InfSourcesSection = InfSourcesObject()
         self.InfUserExtensionSection = InfUserExtensionObject()
         self.InfProtocolSection = InfProtocolObject()
@@ -455,7 +455,7 @@ class InfSectionParser(InfDefinSectionParser,
                     Arch = Match.groups(1)[0].upper()
                     ArchList.append(Arch)
             CommentSoFar = ''
-            for Index in xrange(1, len(List)):
+            for Index in range(1, len(List)):
                 Result = ParseComment(List[Index], DT.ALL_USAGE_TOKENS, TokenDict, [], False)
                 Usage = Result[0]
                 Type = Result[1]