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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 setup_size(self, width, height):
 """Set the width and height for one cell in the tooltip This is inderectly acomplished by setting the iconsizes for the buttons. :param width: the width of one cell, min. is 7 -> icon width = 0 :type width: int :param height: the height of one cell, min. is 6 -> icon height = 0 :type height: int :returns: None :rtype: None :raises: None """

        self._iconw = max(0, width - 7)
        self._iconh = max(0, height - 6)
        self.update_all_buttons()