code: def __init__(self, mod, *, writer=None, skip_offload=False):
      super().__init__(mod)
      self.writer = writer
      self.skip_offload = skip_offload
      self.seen_storages = set()
  
imports: import torch.fx
  import copy
  import torch
  import math
  import sys
  from typing import Callable, List
  from functools import wraps, partial
  from dataclasses import dataclass
  from .compile_utils import get_placeholders, get_outputs
  from torch.utils._content_store import ContentStoreWriter
  from torch.hub import tqdm
  from torch.multiprocessing.reductions import StorageWeakRef
  import os
label_desc: Use image node_id 1 to create a new ConcreteProp object from inherited base classes: torch.fx with example: obj = ConcreteProp(mod)