npyscreen BufferPager move from Widget

gistfile1.txt

#!/usr/bin/env python
# encoding: utf-8
"""
ExampleManaged.py

Created by Nicholas Cole on 2007-02-22.
"""

import npyscreen, curses

class MyTestApp(npyscreen.NPSAppManaged):
    def onStart(self):
        self.registerForm("MAIN", MainForm())

class MainForm(npyscreen.Form):
    def create(self):
        self.add(npyscreen.TitleText, name = "Text:", value= "Press Escape to quit application" )
        self.box1= self.add(npyscreen.BoxBasic, name = "Basic Box:", max_width=30, relx=2, max_height=3)
        self.box1.footer = "This is a footer"

        self.t3 = self.add(npyscreen.BoxTitle, name="Box Title2:", max_height=6,
                        scroll_exit = True,
                        contained_widget_arguments={
                                'color': "WARNING",
                                'widgets_inherit_color': True,}
                        )

        self.t2 = self.add(npyscreen.BoxTitle, name="Box Title:", max_height=6)
        self.SerBuff = self.add(SerialLog, name="Box Title:", max_height=6,editable=True)
        self.SerBuff.entry_widget.buffer(["DEG","FISTEL","DEG"])

        self.t2.entry_widget.scroll_exit = True
        self.t2.values = ["Hello",
            "This is a Test",
            "This is another test",
            "And here is another line",
            "And here is another line, which is really very long.  abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz",
            "And one more."]
        self.t3.values = self.t2.values





        self.how_exited_handers[npyscreen.wgwidget.EXITED_ESCAPE]  = self.exit_application

    def exit_application(self):
        curses.beep()
        self.parentApp.setNextForm(None)
        self.editing = False


class SerialLog(npyscreen.BoxTitle):
    _contained_widget = npyscreen.BufferPager

def main():
    TA = MyTestApp()
    TA.run()


if __name__ == '__main__':
    main()