QWidget Show Event in PySide

# from PySide import QtGui
from PyQt4 import QtGui

class CustomTextBrowser(QtGui.QTextBrowser):
    '''Reimplment show event to append text'''

    def showEvent(self, event):
        # do stuff here 
        #self.append('This random text string ')
        event.accept()

References
https://stackoverflow.com/questions/36975782/how-to-connect-signal-after-the-display-of-a-page-in-pyqt-wizard