class_docstr: Base class for callbacks.
  
  All custom callbacks should inherit from this class. The subclass
  may override any of the ``on_...`` methods. It is, however, not
  necessary to override all of them, since it's okay if they don't
  have any effect.
  
  Classes that inherit from this also gain the ``get_params`` and
  ``set_params`` method.
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code: def set_params(self, **params):
      BaseEstimator.set_params(self, **params)
  
file_path: skorch/skorch/callbacks/base.py
imports: import warnings
  from sklearn.base import BaseEstimator
  from skorch.exceptions import SkorchWarning
label_desc: Use image node_id 11 for calling the Callback obj's underlying member method code with example usage: obj.set_params() without return types