code: def _is_py2_name_constant(node):
      return isinstance(node, gast.Name) and node.id in [
          "True",
          "False",
          "None",
      ]
  
imports: import collections
  import gast
  import six
  from nvidia.dali._autograph.pyct import gast_util
  from nvidia.dali._autograph.pyct import templates
  from nvidia.dali._autograph.pyct import transformer
label_desc: Use image node_id 1 for calling a global function with example usage: _is_py2_name_constant(node) and returns: unknown