code: def submit(self, fn: Callable, **kwargs: Any) -> "_DummyFuture":
      return _DummyExecutor._DummyFuture(fn(**kwargs))
  
imports: import os
  from typing import Any, Callable, cast, Dict, List, Optional, Union
  import torch
  import torch.nn
  from torch.optim import Optimizer
  from ignite.contrib.handlers.base_logger import BaseLogger, BaseOptimizerParamsHandler, BaseOutputHandler, BaseWeightsScalarHandler
  from ignite.engine import Engine, Events
  from ignite.handlers import global_step_from_engine
label_desc: Use image node_id 2 for calling the _DummyExecutor obj's underlying member method code with example usage: obj.submit(fn) and returns: _DummyExecutor