code: def set_scale_base_xy(self, scale_x_base, scale_y_base):
          
          self.t_.set(scale_x_base=scale_x_base, scale_y_base=scale_y_base)
docs: Set stretch factors.
  
          Parameters
          ----------
          scale_x_base, scale_y_base : float
              Stretch factors for X and Y, respectively.