diff --git a/congress_dashboard/datasources/views.py b/congress_dashboard/datasources/views.py
index 48192f5..fde4f66 100644
--- a/congress_dashboard/datasources/views.py
+++ b/congress_dashboard/datasources/views.py
@@ -202,7 +202,7 @@ class DetailView(tables.DataTableView):
             # There could be another table with the same name and different
             # arity. Divide the rows into unnamed columns. Number them for
             # internal reference.
-            for i in xrange(0, row_len):
+            for i in range(0, row_len):
                 col_name = str(i)
                 column_names.append(col_name)
                 table_class_attrs[col_name] = tables.Column(
@@ -226,7 +226,7 @@ class DetailView(tables.DataTableView):
             try:
                 row_data = row['data']
                 row.delete_by_key('data')
-                for i in xrange(0, num_cols):
+                for i in range(0, num_cols):
                     row.set_value(column_names[i], row_data[i])
             except Exception as e:
                 msg_args = {
diff --git a/congress_dashboard/policies/rules/workflows.py b/congress_dashboard/policies/rules/workflows.py
index 0bc6f39..b5be295 100644
--- a/congress_dashboard/policies/rules/workflows.py
+++ b/congress_dashboard/policies/rules/workflows.py
@@ -98,7 +98,9 @@ class CreateConditions(workflows.Step):
 
     def _compare_mapping_columns(self, x, y):
         # x = "mapping_column_<int>", y = "mapping_column_<int>"
-        return cmp(int(x.split('_')[-1]), int(y.split('_')[-1]))
+        x = int(x.split('_')[-1])
+        y = int(y.split('_')[-1])
+        return (x > y) - (x < y)
 
     def render(self):
         # Overriding parent method to add extra template context variables.