def onclick(self):
        return self.eventManager.propagate(self.EVENT_ONCLICK, [])
scipy.sparse verson of zeros.
dataset/ETHPy150Open dddomodossola/remi/remi/gui.py/Widget.onclick--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/physics/quantum/matrixutils.py/_scipy_sparse_zeros