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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _refresh_editor_and_scrollbars(self):
 """ Refrehes editor content and scollbars. We generate a fake resize event to refresh scroll bar. We have the same problem as described here: http://www.qtcentre.org/threads/44803 and we apply the same solution (don't worry, there is no visual effect, the editor does not grow up at all, even with a value = 500) """

        TextHelper(self.editor).mark_whole_doc_dirty()
        self.editor.repaint()
        s = self.editor.size()
        s.setWidth(s.width() + 1)
        self.editor.resizeEvent(QResizeEvent(self.editor.size(), s))