1 files changed, 2 insertions, 2 deletions
diff --git a/BaseTools/Source/Python/GenFds/FvImageSection.py b/BaseTools/Source/Python/GenFds/FvImageSection.py
index 77bf6a7006..b4f1f3340e 100644
--- a/BaseTools/Source/Python/GenFds/FvImageSection.py
+++ b/BaseTools/Source/Python/GenFds/FvImageSection.py
@@ -16,7 +16,7 @@
 # Import Modules
 #
 import Section
-import StringIO
+from io import BytesIO
 from Ffs import Ffs
 import subprocess
 from GenFdsGlobalVariable import GenFdsGlobalVariable
@@ -98,7 +98,7 @@ class FvImageSection(FvImageSectionClassObject):
         # Generate Fv
         #
         if self.FvName is not None:
-            Buffer = StringIO.StringIO('')
+            Buffer = BytesIO('')
             Fv = GenFdsGlobalVariable.FdfParser.Profile.FvDict.get(self.FvName)
             if Fv is not None:
                 self.Fv = Fv