=== modified file 'fiveaday/bzr.py'
--- fiveaday/bzr.py	2008-05-26 12:33:04 +0000
+++ fiveaday/bzr.py	2008-05-28 21:50:01 +0000
@@ -36,11 +36,13 @@
     if not force:
         from bzrlib import branch
         b = branch.Branch.open(branch_dir())
-        last_rev = b.repository.get_revision(b.last_revision())
-        seconds_since_last_commit = time.time() - last_rev.timestamp
-        if seconds_since_last_commit < 3600 and last_rev.committer == b.get_config().username():
-            print >> sys.stdout, _("Bugs have been added, but not committed yet (already committed %d minutes ago).") % (seconds_since_last_commit/60)
-            return 0 # This is no error 
+        last_rev = b.last_revision()
+        if last_rev:
+            last_rev = b.repository.get_revision(last_rev)
+            seconds_since_last_commit = time.time() - last_rev.timestamp
+            if seconds_since_last_commit < 3600 and last_rev.committer == b.get_config().username():
+                print >> sys.stdout, _("Bugs have been added, but not committed yet (already committed %d minutes ago).") % (seconds_since_last_commit/60)
+                return 0 # This is no error 
 
     err = update_branch()
     if err: