code: def register_leaf_module(module: nn.Module):
      ColoTracer._custom_leaf_module.add(module)
  
imports: import functools
  import inspect
  from contextlib import contextmanager
  from typing import Any, Callable, Dict, Iterable, Optional, Set, Tuple, Type, Union
  import torch
  import torch.nn
  from torch.fx import Graph, Node, Proxy, Tracer
  from torch.utils._pytree import tree_map
  from colossalai._analyzer._subclasses import _TensorPropertyMethod, _TorchFactoryMethod
  from ..node_util import MetaInfo
  from .proxy import ColoProxy
label_desc: Use image node_id 4 for calling a global function with example usage: register_leaf_module(module) without return types