code: def a_data(self):
      return self._a_data
  
imports: import numpy
  from ...None import opcodes
  from ...core import recursive_tile
  from ...lib.sparse.array import get_sparse_module, SparseNDArray
  from ...serialization.serializables import KeyField, Int64Field
  from ...tensor.array_utils import as_same_device, device
  from ...tensor.core import TensorOrder
  from ...tensor.utils import decide_unify_split
  from ...utils import has_unknown_shape
  from ..operands import LearnOperand, LearnOperandMixin, OutputType
label_desc: Use image node_id 2 for calling the KNeighborsGraph obj's underlying member method code with example usage: obj.a_data() and returns: self