fix the NULL import problem for the lineage table
fix the NULL import problem for the lineage table

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