@if_delegate_has_method(delegate='estimator')
    def predict(self, X):
        return self.best_estimator_.predict(X)
Regression test for https://aeon.stsci.edu/ssb/trac/pyfits/ticket/218
dataset/ETHPy150Open scikit-learn/scikit-learn/sklearn/grid_search.py/BaseSearchCV.predict--crossover with--dataset/ETHPy150Open spacetelescope/PyFITS/pyfits/tests/test_table.py/TestColumnFunctions.test_column_array_type_mismatch