class_docstr: Annotates nodes with QN information.
  
  Note: Not using NodeAnnos to avoid circular dependencies.
code: def visit_Attribute(self, node):
      node = self.generic_visit(node)
      if anno.hasanno(node.value, anno.Basic.QN):
          anno.setanno(
              node,
              anno.Basic.QN,
              QN(
                  anno.getanno(node.value, anno.Basic.QN),
                  attr=node.attr,
              ),
          )
      return node
  
imports: import collections
  import gast
  from nvidia.dali._autograph.pyct import anno
  from nvidia.dali._autograph.pyct import parser
label_desc: Use image node_id 2 for calling the QnResolver obj's underlying member method code with example usage: obj.visit_Attribute(node) and returns: node