fixes an issue where a lineage might be nil
fixes an issue where a lineage might be nil

unipept/unipept,bmesuere/uni-test,unipept/unipept,unipept/unipept,bmesuere/uni-test,bmesuere/uni-test,unipept/unipept,bmesuere/uni-test,bmesuere/uni-test,unipept/unipept