diff --git a/mode/python.py b/mode/python.py
index 3f5ba6a..e831f8a 100644
--- a/mode/python.py
+++ b/mode/python.py
@@ -412,7 +412,7 @@ class PythonBrmFindReferences(Method):
         for tpl in tokens:
             lines.append('%-*s        %3d%% confidence' % (l, tpl[0], tpl[1]))
         
-        if n == 0:
+        if not tokens:
             w.set_error('no references found')
             return