class_docstr: This class is needed to allow file-like object to be used as
  context manager, but without getting closed.
docstr: When entering, return the embedded object
docstr_tok: ["When","entering",",","return","the","embedded","object"]
code: def __enter__(self):
      """When entering, return the embedded object"""
      return self._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 2 for calling the EmptyContextManager obj's underlying member method code with example usage: obj.__enter__() and returns: self