code: def get_above_right_key_rect(self):
          
  
          key_above = self.row - 1, self.col, self.tab
          key_above_right = self.row - 1, self.col + 1, self.tab
  
          border_width_right = \
              float(self.cell_attributes[key_above]["borderwidth_right"]) / 2.0
          border_width_bottom = \
              float(self.cell_attributes[key_above_right]["borderwidth_bottom"])\
              / 2.0
  
          rect_above_right = (self.x+self.width, self.y-border_width_bottom,
                              border_width_right, border_width_bottom)
          return key_above_right, rect_above_right
docs: Returns tuple key rect of above right cell