code: def __init__(self, input_dim: int) -> None:
      super().__init__()
  
imports: import unittest
  from functools import partial
  from inspect import getmembers, isfunction
  from typing import Any, Set, Tuple, Type
  import torch
  from torchtnt.framework._test_utils import DummyEvalUnit, DummyPredictUnit, DummyTrainUnit, generate_random_dataloader
  from torchtnt.framework.callback import Callback
  from torchtnt.framework.callbacks.lambda_callback import Lambda
  from torchtnt.framework.evaluate import evaluate
  from torchtnt.framework.predict import predict
  from torchtnt.framework.state import State
  from torchtnt.framework.train import train
  from torchtnt.framework.unit import TrainUnit
label_desc: Use image node_id 1 to create a new DummyTrainExceptUnit object from inherited base classes: TrainUnit with example: obj = DummyTrainExceptUnit(input_dim)