code: def data_payload(self):
      assert not self.sharded_data_tensor.is_null()
      return self.sharded_data_tensor.payload
  
file_path: ColossalAI/colossalai/legacy/zero/sharded_param/sharded_param.py
imports: from typing import List, Optional, Tuple
  import torch
  from colossalai.legacy.zero.gemini.stateful_tensor import StatefulTensor, TensorState
  from colossalai.legacy.zero.gemini.tensor_utils import colo_tensor_mem_usage
  from .sharded_tensor import ShardedTensor
label_desc: Use image node_id 6 for calling the ShardedParamV2 obj's underlying member method code with example usage: obj.data_payload() and returns: self