def do_login(self, widget):
        self.loginwindow = LoginWindow(self)
Split expression ``f`` into fac, po, g, where fac is a constant factor,
dataset/ETHPy150Open Morgawr/gogonlinux/gog_utils/gog_gui.py/GogTuxGUI.do_login--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/integrals/meijerint.py/_split_mul