hgweb: use a single-element tuple to return from protocol.unbundle()
Python 2.3/2.4 don't support yielding from inside try/finally blocks.
#!/bin/sh
echo "[extensions]" >> $HGRCPATH
echo "mq=" >> $HGRCPATH
hg init a
cd a
echo 'base' > base
hg ci -Ambase -d '1 0'
hg qnew -mmqbase mqbase
hg qsave
hg qrestore 2