fix concept implemented 9287c1b so it doesn’t reassign self.data_model incorrectly
fix concept implemented 9287c1b so it doesn’t reassign self.data_model incorrectly
lfairchild/PmagPy,Caoimhinmg/PmagPy,lfairchild/PmagPy,Caoimhinmg/PmagPy,Caoimhinmg/PmagPy,lfairchild/PmagPy