code: def __init__(self) -> None:
      super().__init__()
      self.module = SubModule()
  
imports: import pytest
  import torch
  from lightning.fabric.utilities.device_dtype_mixin import _DeviceDtypeModuleMixin
  from torch import nn
  from tests_fabric.helpers.runif import RunIf
label_desc: Use image node_id 1 to create a new TopModule object from inherited base classes: _DeviceDtypeModuleMixin with example: obj = TopModule()