diff --git a/brozzler/frontier.py b/brozzler/frontier.py
index 3a23413..9ddb7ea 100644
--- a/brozzler/frontier.py
+++ b/brozzler/frontier.py
@@ -1,20 +1,20 @@
-#
-# brozzler/frontier.py - RethinkDbFrontier manages crawl jobs, sites and pages
-#
-# Copyright (C) 2014-2016 Internet Archive
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
+'''
+brozzler/frontier.py - RethinkDbFrontier manages crawl jobs, sites and pages
+
+Copyright (C) 2014-2016 Internet Archive
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+'''
 
 import logging
 import brozzler
@@ -68,8 +68,8 @@ class RethinkDbFrontier:
             # console
             self.r.table("pages").index_create(
                     "least_hops", [
-                        r.row["site_id"], r.row["brozzle_count"],
-                        r.row["hops_from_seed"]])
+                        self.r.row["site_id"], self.r.row["brozzle_count"],
+                        self.r.row["hops_from_seed"]])
         if not "jobs" in tables:
             self.logger.info(
                     "creating rethinkdb table 'jobs' in database %s",
diff --git a/setup.py b/setup.py
index 6f9e009..be6fc79 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ import setuptools
 
 setuptools.setup(
         name='brozzler',
-        version='1.1.dev28',
+        version='1.1.dev29',
         description='Distributed web crawling with browsers',
         url='https://github.com/internetarchive/brozzler',
         author='Noah Levitt',