def regress(estimator: object, X: Iterable[Union[(int, float)]], y: Iterable):
    '\n    Predict with custom regressor model.\n\n    Parameters:\n        estimator: Fitted estimator.\n        X: Input test data.\n        y: Labels for test data.\n\n    Returns:\n        Predicted labels.\n    '
    pass
Predict with custom regressor model.

Parameters:
    estimator: Fitted estimator.
    X: Input test data.
    y: Labels for test data.

Returns:
    Predicted labels.
def regress(estimator: object, X: Iterable[Union[(int, float)]], y: Iterable):
    '\n    Predict with custom regressor model.\n\n    Parameters:\n        estimator: Fitted estimator.\n        X: Input test data.\n        y: Labels for test data.\n\n    Returns:\n        Predicted labels.\n    '
    pass