class_docstr: A helper to provide a desired missing value if no value is known
  
  Usecases
  
  - could be used as a generator for `defaultdict`
  - since it returns itself upon getitem, should work even for complex
    nested dictionaries/lists .format templates
class_docstr_tok: ["A","helper","to","provide","a","desired","missing","value","if","no","value","is","known","Usecases","-","could","be","used","as","a","generator","for","`","defaultdict","`","-","since","it","returns","itself","upon","getitem",",","should","work","even","for","complex","nested","dictionaries\/lists",".format","templates"]
code: def __getattr__(self, item):
      return self
  
imports: from collections import defaultdict
  import string
  from datalad.ui import ui
label_desc: Use image node_id 5 for calling the nagen obj's underlying member method code with example usage: obj.__getattr__(item) and returns: self