diff --git a/hgext/convert/subversion.py b/hgext/convert/subversion.py
index 9299b98041e8cac78c569fc68258c2f945223d2c_aGdleHQvY29udmVydC9zdWJ2ZXJzaW9uLnB5..7e5f5e5858f9fdaa8e7b0bc500819bcd0f9873ab_aGdleHQvY29udmVydC9zdWJ2ZXJzaW9uLnB5 100644
--- a/hgext/convert/subversion.py
+++ b/hgext/convert/subversion.py
@@ -1158,3 +1158,4 @@
 
     def puttags(self, tags):
         self.ui.warn(_('XXX TAGS NOT IMPLEMENTED YET\n'))
+        return None, None