import pymel.core as pm

items = pm.ls(sl=True)

pm.group( em=True, name='null1' )

driver = items[0]
driven = 'null1'

kenny = pm.parentConstraint(driver, driven)
pm. delete(kenny)

pm.makeIdentity(apply=True, t=1, r=1, s=1, n=0, pn=1)
pm.delete(ch=True)

pm.parent ( items[0] , 'null1' )
print 'Object Snapped.'