fix for duplicate roots
fix for duplicate roots

spotify/annoy,eddelbuettel/annoy,tjrileywisc/annoy,spotify/annoy,subu-cliqz/annoy,tjrileywisc/annoy,tjrileywisc/annoy,spotify/annoy,pombredanne/annoy,tjrileywisc/annoy,subu-cliqz/annoy,pombredanne/annoy,eddelbuettel/annoy,eddelbuettel/annoy,pombredanne/annoy,subu-cliqz/annoy,pombredanne/annoy,spotify/annoy,subu-cliqz/annoy,eddelbuettel/annoy