prevent Contribution.propagate_ages from failing when there is an empty age table
prevent Contribution.propagate_ages from failing when there is an empty age table
lfairchild/PmagPy,lfairchild/PmagPy,Caoimhinmg/PmagPy,Caoimhinmg/PmagPy,Caoimhinmg/PmagPy,lfairchild/PmagPy