code: def finalize(self) -> torch.Tensor:
      param = torch.cat([self.dependency_1, self.dependency_2])
      return InferenceParameter.initialize(param)
  
imports: import pytest
  import torch
  from deepspeed.inference.v2.allocator import on_device
  from deepspeed.inference.v2.inference_parameter import InferenceParameter
  from deepspeed.inference.v2.model_implementations.parameter_base import ParameterBase, ParamList
  from deepspeed.inference.v2.model_implementations.layer_container_base import LayerContainer
label_desc: Use image node_id 1 for calling the MultiDependencyContainer obj's underlying member method code with example usage: obj.finalize() and returns: InferenceParameter