diff -r 4a4c7f6a5912 -r d812029cda85 mercurial/context.py
--- a/mercurial/context.py	Mon Mar 23 13:12:07 2009 +0100
+++ b/mercurial/context.py	Mon Mar 23 13:13:02 2009 +0100
@@ -233,7 +233,7 @@
 
     def __nonzero__(self):
         try:
-            n = self._filenode
+            self._filenode
             return True
         except error.LookupError:
             # file is missing