[#8359] tweak for py3 modernize compatibility
diff --git a/Allura/allura/lib/spam/stopforumspamfilter.py b/Allura/allura/lib/spam/stopforumspamfilter.py
index f2ee149..a696e8f 100644
--- a/Allura/allura/lib/spam/stopforumspamfilter.py
+++ b/Allura/allura/lib/spam/stopforumspamfilter.py
@@ -28,6 +28,7 @@
 from allura.lib.spam import SpamFilter
 import six
 from io import open
+from six.moves import range
 
 log = logging.getLogger(__name__)