code: def partition(pp_rank: int, chunk: int, stage_num: int):
      torch.manual_seed(1024)
      partition = RpcTestModel(pp_rank, stage_num, feat_num, h)
      return partition
  
imports: import torch
  from rpc_test_utils import RpcTestModel, parse_args, rpc_run
  from colossalai.legacy.pipeline.rpc._pipeline_schedule import OneFOneBPipelineEngine
label_desc: Use image node_id 1 for calling a global function with example usage: partition(pp_rank, chunk, stage_num) and returns: partition