code: def __init__(self) -> None:
      self.y: numpy.typing.NDArray[numpy.int_] = numpy.array([])
      self.pairs: TrainingExamples = []
  
imports: from __future__ import annotations
  import logging
  import random
  from abc import ABC, abstractmethod
  from typing import TYPE_CHECKING, overload
  from warnings import warn
  import numpy
  import numpy.typing
  import sklearn.linear_model
  import dedupe.core
  import dedupe.training
label_desc: Use image node_id 1 to create a new DisagreementLearner object from inherited base classes: HasCandidates with example: obj = DisagreementLearner()