code: def get_node(self, goid, goobj):
          
          # pydot.Node.objdict holds this information. pydot.Node.objdict['name']
          return pydot.Node(
              self.get_node_text(goid, goobj),
              shape="box",
              style="rounded, filled",
              fillcolor=self.go2color.get(goid, "white"),
              color=self.objcolor.get_bordercolor(goid))
docs: Return pydot node.