Comment 6 for bug 293440

Like this?

=== modified file 'bzrlib/branch.py'
--- bzrlib/branch.py 2008-10-30 03:56:00 +0000
+++ bzrlib/branch.py 2008-11-07 05:48:35 +0000
@@ -155,7 +155,7 @@
                 master = self.get_master_branch(possible_transports)
                 if master is not None:
                     # return the master branch value
- config = master.get_config()
+ return master.nick
             except errors.BzrError, e:
                 # Silently fall back to local implicit nick if the master is
                 # unavailable