class_docstr: Dummy Deep Classifier to test serialization capabilities.
class_docstr_tok: ["Dummy","Deep","Classifier","to","test","serialization","capabilities","."]
code: def _fit(self, X, y):
      return self
  
imports: import pickle
  import numpy
  import pandas
  import pytest
  from sklearn.model_selection import KFold
  from sktime.classification.base import BaseClassifier
  from sktime.classification.deep_learning.base import BaseDeepClassifier
  from sktime.classification.distance_based import KNeighborsTimeSeriesClassifier
  from sktime.classification.dummy import DummyClassifier
  from sktime.utils._testing.estimator_checks import _assert_array_almost_equal
  from sktime.utils._testing.panel import _make_classification_y, _make_panel, make_classification_problem
  from sktime.utils.validation._dependencies import _check_soft_dependencies
label_desc: Use image node_id 3 for calling the _DummyDeepClassifierFull obj's underlying member method code with example usage: obj._fit(X, y) and returns: self