(self, screen_x, screen_y)
return coord_y
helper
helper
helper
def pixel_to_line(self, screen_x, screen_y):
        """ helper
        """
        coord_x, coord_y = self.pixel_to_data(screen_x, screen_y)  # pylint: disable=unused-variable
        return coord_y
def pixel_to_line ( self , screen_x , screen_y ) : coord_x , coord_y = self . pixel_to_data ( screen_x , screen_y ) # pylint: disable=unused-variable return coord_y