def _sqrtm_rot(ctx, A, _may_rotate):
        # If the iteration fails to converge, cheat by performing
        # a rotation by a complex number
        u = ctx.j**0.3
        return ctx.sqrt(u) / ctx.sqrtm(u*A, _may_rotate)
dataset/ETHPy150Open fredrik-johansson/mpmath/mpmath/matrices/calculus.py/MatrixCalculusMethods._sqrtm_rot/swapped operands of `/`