code: def __init__(self, params: Optional[OperationParameters] = None):
      super().__init__(params)
      self.model = None
  
imports: from typing import Callable, Optional
  import numpy
  from sklearn.neighbors import KNeighborsClassifier, KNeighborsRegressor
  from fedot.core.operations.evaluation.operation_implementations.implementation_interfaces import ModelImplementation
  from fedot.core.operations.operation_parameters import OperationParameters
label_desc: Use image node_id 1 to create a new KNeighborsImplementation object from inherited base classes: ModelImplementation with example: obj = KNeighborsImplementation(params)