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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 hideEvent(self, event):
 """ Reimplemented to disconnect signal handlers and event filter. """

        super(CallTipWidget, self).hideEvent(event)
        self._text_edit.cursorPositionChanged.disconnect(
            self._cursor_position_changed)
        self._text_edit.removeEventFilter(self)