def erase(self, edit, region):
        self.callbacks = [] # bug, should only erase callbacks in the region
        self.view.erase(edit, region)
Returns ``_mexpand(y**deg*p.subs({x:x / y}))``
dataset/ETHPy150Open sokolovstas/SublimeWebInspector/views.py/SwiDebugView.erase--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/polys/numberfields.py/_muly