diff --git a/tools/compress_json.py b/tools/compress_json.py
index 34dbb878c48a27..b52c5d7a252cf6 100644
--- a/tools/compress_json.py
+++ b/tools/compress_json.py
@@ -5,6 +5,12 @@
 import sys
 import zlib
 
+try:
+    xrange          # Python 2
+except NameError:
+    xrange = range  # Python 3
+
+
 if __name__ == '__main__':
   fp = open(sys.argv[1])
   obj = json.load(fp)