code: def __init__(self, count: int) -> None:
      self.count: int = count
  
file_path: tnt/tests/utils/data/test_profile_dataloader.py
imports: import unittest
  from typing import Iterator
  import torch
  from torch.profiler import ProfilerActivity
  from torchtnt.utils.data.profile_dataloader import profile_dataloader
  from torchtnt.utils.env import init_from_env
label_desc: Use image node_id 1 to create a new DummyIterable object  with example: obj = DummyIterable(count)