People v. Caruso (1959) 174 Cal. App2d 624, 633 ([A]lthough the code specifies that the withdrawal of a plea of guilty may be permitted before judgment (PC 1018), the court has the power to permit such withdrawal and the substitution of a not guilty plea after judgment has been pronounced.); citing People v.Campos (1935) 3 Cal. 2d 15, 43 P.2d 274.