code: def test_coloproxy():
      tracer = ColoTracer()
      model = Conv1D(3, 3)
      input_sample = {"x": torch.rand(3, 3).to("meta")}
  
      graph = tracer.trace(root=model, meta_args=input_sample)
      gm = GraphModule(model, graph, model.__class__.__name__)
      gm.recompile()
      node = list(gm.graph.nodes)[0]
  
      proxy = ColoProxy(node=node, tracer=tracer)
      proxy.meta_data = torch.empty(4, 2, device="meta")
  
      assert len(proxy) == 4
      assert proxy.shape[0] == 4 and proxy.shape[1] == 2
      assert proxy.dim() == 2
      assert proxy.dtype == torch.float32
      assert proxy.size(0) == 4
  
file_path: colossalai/tests/test_fx/test_coloproxy.py
imports: import torch
  import torch.nn
  from torch.fx import GraphModule
  from colossalai.fx.proxy import ColoProxy
  from colossalai.fx.tracer.tracer import ColoTracer
  from colossalai.testing import clear_cache_before_run
label_desc: Use image node_id 1 for calling a global function with example usage: test_coloproxy() without return types