class_docstr: A dumb gensym that suffixes a stem by sequential numbers from 1000.
class_docstr_tok: ["A","dumb","gensym","that","suffixes","a","stem","by","sequential","numbers","from","1000","."]
code: def new_name(self, stem="tmp"):
      self._idx += 1
      return stem + "_" + str(1000 + self._idx)
  
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 2 for calling the DummyGensym obj's underlying member method code with example usage: obj.new_name(stem) and returns: unknown