code: def _module_getattr(self, attr, attr_val, parameter_proxy_cache):
      if getattr(self, "_disable_module_getattr", False):
          return attr_val
  
      def maybe_get_proxy_for_attr(
          attr_val, collection_to_search, parameter_proxy_cache
      ):
          for n, p in collection_to_search:
              if attr_val is p:
                  if n not in parameter_proxy_cache:
                      kwargs = {}
                      if (
                          "proxy_factory_fn"
                          in inspect.signature(
                              self.create_proxy
                          ).parameters
                      ):
                          kwargs["proxy_factory_fn"] = (
                              None
                              if not self.param_shapes_constant
                              else lambda node: ColoProxy(
                                  self, node, n, attr_val
                              )
                          )
                      val_proxy = self.create_proxy("get_attr", n, (), {}, **kwargs)  # type: ignore[arg-type]
                      parameter_proxy_cache[n] = val_proxy
                  return parameter_proxy_cache[n]
          return None
  
      if self.proxy_buffer_attributes and isinstance(
          attr_val, torch.Tensor
      ):
          maybe_buffer_proxy = maybe_get_proxy_for_attr(
              attr_val, self.root.named_buffers(), parameter_proxy_cache
          )
          if maybe_buffer_proxy is not None:
              return maybe_buffer_proxy
  
      if isinstance(attr_val, torch.nn.Parameter):
          maybe_parameter_proxy = maybe_get_proxy_for_attr(
              attr_val,
              self.root.named_parameters(),
              parameter_proxy_cache,
          )
          if maybe_parameter_proxy is not None:
              return maybe_parameter_proxy
  
      return attr_val
  
imports: import functools
  import inspect
  import operator
  from contextlib import contextmanager
  from typing import Any, Callable, Dict, List, Optional, Set, Tuple, Union
  import torch
  from torch.fx import Graph, Node, Proxy, Tracer
  from torch.utils._pytree import tree_map
  from colossalai.fx import ColoGraphModule, compatibility, is_compatible_with_meta
  from colossalai.fx.tracer._tracer_utils import is_element_in_list
  from colossalai.fx.tracer.bias_addition_patch import func_to_func_dict, method_to_func_dict, module_to_func_dict
  from colossalai.fx.tracer.registry import bias_addition_function, bias_addition_method, bias_addition_module, meta_patched_function, meta_patched_module
label_desc: Use image node_id 8 for calling the ColoTracer obj's underlying member method code with example usage: obj._module_getattr(attr, attr_val, parameter_proxy_cache) and returns: attr_val, attr_val, None, maybe_buffer_proxy, maybe_parameter_proxy, parameter_proxy_cache