docstr: Return the file descriptor of the profiler's log file.
docstr_tok: ["Return","the","file","descriptor","of","the","profiler","'s","log","file","."]
code: def fileno(self):
      """Return the file descriptor of the profiler's log file."""
      return self._prof.fileno()
  
file_path: catboost/contrib/tools/python/src/Lib/hotshot/__init__.py
imports: import _hotshot
  from _hotshot import ProfilerError
  from warnings import warnpy3k
label_desc: Use image node_id 3 for calling the Profile obj's underlying member method code with example usage: obj.fileno() and returns: self