code: def __init__(
      self,
      x=None,
      y=None,
      k=None,
      metric=None,
      metric_kwargs=None,
      return_index=None,
      working_memory=None,
      **kw,
  ):
      super().__init__(
          _x=x,
          _y=y,
          _k=k,
          _metric=metric,
          _metric_kwargs=metric_kwargs,
          _return_index=return_index,
          _working_memory=working_memory,
          **kw,
      )
  
imports: from functools import partial
  import numpy
  from ....None import opcodes
  from ....None import options
  from ....core import recursive_tile
  from ....core.operand import OperandStage
  from ....serialization.serializables import KeyField, BoolField, DictField, Int64Field, AnyField
  from ....tensor.core import TensorOrder
  from ....tensor.merge import TensorConcatenate
  from ....tensor.array_utils import as_same_device, device, get_array_module
  from ....utils import has_unknown_shape, ensure_own_data
  from ...utils import gen_batches, get_chunk_n_rows
  from ...utils.validation import _num_samples
  from .core import PairwiseDistances
label_desc: Use image node_id 1 to create a new PairwiseDistancesTopk object from inherited base classes: PairwiseDistances with example: obj = PairwiseDistancesTopk(x, y, k, metric, metric_kwargs, return_index, working_memory)