# Not good
def _check_input_parameters(self, X, y, groups): 

    --- snip ---
    # see https://github.com/scikit-learn/scikit-learn/issues/15149
    if not _yields_constant_splits(self._checked_cv_orig): 
        raise ValueError(
            "The cv parameter must yield consistent folds across "
            "calls to split(). Set its random_state to an int, or "
            " set shuffle=False."
        )
    --- snip ---