class_docstr: This class is needed to allow file-like object to be used as
  context manager, but without getting closed.
code: def __init__(self, obj):
      self._obj = obj
  
file_path: statsmodels/statsmodels/iolib/openfile.py
imports: from pathlib import Path
  from numpy.lib._iotools import _is_string_like
label_desc: Use image node_id 1 to create a new EmptyContextManager object  with example: obj = EmptyContextManager(obj)