diff --git a/sword_to_json.py b/sword_to_json.py
index 9ae071c..caf3dcb 100644
--- a/sword_to_json.py
+++ b/sword_to_json.py
@@ -1,5 +1,9 @@
 from pysword.modules import SwordModules
-import argparse, json
+import argparse, json, sys
+
+if sys.version_info > (3, 0):
+    from past.builtins import xrange
+
 
 def generate_dict(source_file, bible_version):
     modules = SwordModules(source_file)
@@ -49,4 +53,4 @@ def main():
     bible_dict = generate_dict(args.source_file, args.bible_version)
     write_json(bible_dict, args.output_file)
 
-if __name__ == "__main__": main()
\ No newline at end of file
+if __name__ == "__main__": main()