code: def __str__(self):
      return self.errorinfo
  
file_path: nni/nni/__init__.py
imports: from .runtime.log import _init_logger
  from .common.framework import *
  from .common.serializer import trace, dump, load
  from .experiment import Experiment
  from .mutable.shortcut import *
  from .runtime.env_vars import dispatcher_env_vars
  from .runtime.log import enable_global_logging, silence_stdout
  from .utils import ClassArgsValidator
label_desc: Use image node_id 2 for calling the NoMoreTrialError obj's underlying member method code with example usage: obj.__str__() and returns: self