class_docstr: WIP.
class_docstr_tok: ["WIP","."]
docstr: WIP.
docstr_tok: ["WIP","."]
code: def var_name_to_str(self, var_name):
      """WIP."""
      return None
  
imports: from typing import Union
label_desc: Use image node_id 1 for calling the NoVarLabeller obj's underlying member method code with example usage: obj.var_name_to_str(var_name) and returns: None