code: def add_tip_lines_to_axes(self):
          "add lines to connect tips to zero axis for tip_labels_align=True"
  
          # get tip-coords and align-coords from verts
          xpos, ypos, aedges, averts = self.get_tip_label_coords() 
          if self.style.tip_labels_align:
              self.axes.graph(
                  aedges,
                  vcoordinates=averts,
                  estyle=self.style.edge_align_style, 
                  vlshow=False,
                  vsize=0,
              f add_tip_lines_to_axes(self):
          "add lines to connect tips to zero axis for tip_labels_align=True"
  
          # get tip-coords and align-coords from verts
          xpos, ypos, aedges, averts = self.get_tip_label_coords() 
          if self.style.tip_labels_align:
              self.axes.graph(
                  aedges,
                  vcoordinates=averts,
                  estyle=self.style.edge_align_style, 
                  vlshow=False,
                  vsize=0,
              )
docs: add lines to connect tips to zero axis for tip_labels_align=True