code: def __call__(self, *args, **kwargs):
      proxy = self.tracer.create_proxy(
          "call_method", self.attr, (self.root,) + args, kwargs
      )
      if not isinstance(proxy, ColoProxy):
          meta_args, meta_kwargs = extract_meta(
              *((self.root,) + args), **kwargs
          )
          method = getattr(meta_args[0].__class__, self.attr)
          if meta_patched_function.has(method):
              meta_target = meta_patched_function.get(method)
          elif meta_patched_function.has(method.__name__):
              meta_target = meta_patched_function.get(method.__name__)
          else:
              meta_target = method
          meta_out = meta_target(*meta_args, **meta_kwargs)
          proxy = ColoProxy(proxy.node)
          proxy.meta_data = meta_out
      return proxy
  
imports: from typing import Any
  import torch
  from torch.fx.proxy import Proxy
  from colossalai.fx.tracer.meta_patch import meta_patched_function
label_desc: Use image node_id 3 for calling the ColoAttribute obj's underlying member method code with example usage: obj.__call__() and returns: proxy