code: def str_deps(self):
          
          lines = []
          app = lines.append
  
          app("Dependencies of node %s:" % str(self))
          for i, dep in enumerate(self.deps):
              app("%d) %s, status=%s" % (i, dep.info, str(dep.status)))
  
          return "\n".join(lines)
docs: Return the string representation of the dependencies of the node.