code: def __init__(self, estimator):
      self.estimator = estimator
  
imports: import dask
  import dask.array
  import dask.dataframe
  import numpy
  import sklearn.base
  from sklearn.utils.validation import check_is_fitted
  from ..base import ClassifierMixin, RegressorMixin
  from ..utils import check_array
label_desc: Use image node_id 1 to create a new BlockwiseBase object from inherited base classes: sklearn.base with example: obj = BlockwiseBase(estimator)