diff -r 17a4b20eda7b -r c728424d44c6 mercurial/changelog.py
--- a/mercurial/changelog.py	Thu Oct 11 00:46:52 2007 -0500
+++ b/mercurial/changelog.py	Thu Oct 11 00:46:53 2007 -0500
@@ -74,7 +74,7 @@
         return ret
 
     def write(self, s):
-        self.data.append(s)
+        self.data.append(str(s))
         self.offset += len(s)
 
 class changelog(revlog):