code: def create_from_arg_string(cls, arg_string, additional_config=None):
      return cls()
  
file_path: lm-evaluation-harness/lm_eval/models/dummy.py
imports: import random
  from lm_eval.base import LM
label_desc: Use image node_id 2 for calling the DummyLM obj's underlying member method code with example usage: obj.create_from_arg_string(cls, arg_string, additional_config) and returns: cls