code: def __init__(self, input_size, num_classes):
      super(_LR, self).__init__()
      self.linear = nn.Linear(input_size, num_classes)
  
imports: from abc import abstractmethod
  import numpy
  from sklearn.base import BaseEstimator, ClassifierMixin
  from sklearn.utils.validation import check_X_y, assert_all_finite, check_array, check_is_fitted
  from sklearn.utils.multiclass import type_of_target
label_desc: Use image node_id 1 to create a new _LR object from inherited base classes: nn with example: obj = _LR(input_size, num_classes)