class_docstr: Class which wraps a statsmodels estimation Results class and steps in to
  reattach metadata to results (if available)
code: def __setstate__(self, dict_):
      # print 'unpickling wrapper', dict_
      self.__dict__.update(dict_)
  
file_path: statsmodels/statsmodels/base/wrapper.py
imports: import functools
  import inspect
  from textwrap import dedent
label_desc: Use image node_id 5 for calling the ResultsWrapper obj's underlying member method code with example usage: obj.__setstate__(dict_) without return types