code: def emb_module(
      self,
  ) -> IntNBitTableBatchedEmbeddingBagsCodegen:
      return self._emb_module
  
imports: import copy
  import logging
  from typing import Any, Dict, Iterator, List, Optional, Tuple
  import torch
  import torch.distributed
  from fbgemm_gpu.split_embedding_configs import SparseType
  from fbgemm_gpu.split_table_batched_embeddings_ops_inference import EmbeddingLocation, IntNBitTableBatchedEmbeddingBagsCodegen, PoolingMode, rounded_row_size_in_bytes
  from torchrec.distributed.batched_embedding_kernel import BaseBatchedEmbedding, BaseBatchedEmbeddingBag, BatchedDenseEmbedding, BatchedDenseEmbeddingBag
  from torchrec.distributed.embedding_kernel import BaseEmbedding
  from torchrec.distributed.embedding_types import compute_kernel_to_embedding_location, GroupedEmbeddingConfig
  from torchrec.distributed.fused_params import is_fused_param_quant_state_dict_split_scale_bias, is_fused_param_register_tbe, tbe_fused_params, TBEToRegisterMixIn
  from torchrec.distributed.utils import append_prefix
  from torchrec.modules.embedding_configs import DATA_TYPE_NUM_BITS, data_type_to_sparse_type, DataType, dtype_to_data_type
  from torchrec.sparse.jagged_tensor import KeyedJaggedTensor
label_desc: Use image node_id 3 for calling the QuantBatchedEmbeddingBag obj's underlying member method code with example usage: obj.emb_module() and returns: self