tests/test-issue2137.out

make transactions work on non-refcounted python implementations

% setup
adding a
new tip: 553596fad57b

% test that new changesets are visible to repo.lookup()
new tip: 799ae3599e0e
changeset:   1:799ae3599e0e
tag:         tip
user:        test
date:        Thu Jan 01 00:00:00 1970 +0000
summary:     one more commit to demonstrate the bug