diff --git a/scripts/python/cpplint.py b/scripts/python/cpplint.py
index 95c0c3259..11a1711a5 100755
--- a/scripts/python/cpplint.py
+++ b/scripts/python/cpplint.py
@@ -74,6 +74,7 @@ def GetHeaderExtensions():
 # The allowed extensions for file names
 # This is set by --extensions flag
 def GetAllExtensions():
+  abc = "abc"
   if not _valid_extensions:
     return GetHeaderExtensions().union(set(['c', 'cc', 'cpp', 'cxx', 'c++', 'cu']))
   return _valid_extensions