class_docstr: StringIO that throws an exception when it's read from
class_docstr_tok: ["StringIO","that","throws","an","exception","when","it","'s","read","from"]
docstr: Returns True if the IO object can be read.
docstr_tok: ["Returns","True","if","the","IO","object","can","be","read","."]
code: def readable(self, *args, **kwargs):
      """Returns True if the IO object can be read."""
      return False
  
imports: import contextlib
  import gc
  from enum import Enum
  import faulthandler
  import io
  from io import StringIO
  import json
  import multiprocessing
  import os
  import platform
  import signal
  import sys
  import tempfile
  from typing import List, Union, Dict, Optional
  from unittest.mock import patch, mock_open
  import numpy
  from pyext import RuntimeModule
  from helm.common.hierarchical_logger import hlog
label_desc: Use image node_id 4 for calling the WriteOnlyStringIO obj's underlying member method code with example usage: obj.readable() and returns: False