def setUp(self):
from sas.models.PearlNecklaceModel import PearlNecklaceModel
self.pnl = PearlNecklaceModel()
from sas.models.LinearPearlsModel import LinearPearlsModel
self.lpm = LinearPearlsModel()
from sas.models.SphereModel import SphereModel
self.sphere = SphereModel()
from sas.models.BarBellModel import BarBellModel
self.bar = BarBellModel()
