docstr: Return the `output_chunk_length` of the regression model (ensembling layer)
docstr_tok: ["Return","the","`","output_chunk_length","`","of","the","regression","model","(","ensembling","layer",")"]
code: def output_chunk_length(self) -> int:
      """Return the `output_chunk_length` of the regression model (ensembling layer)"""
      return self.regression_model.output_chunk_length
  
file_path: darts/darts/models/forecasting/regression_ensemble_model.py
imports: from typing import List, Optional, Sequence, Tuple, Union
  from darts.logging import get_logger, raise_if, raise_if_not
  from darts.models.forecasting.ensemble_model import EnsembleModel
  from darts.models.forecasting.forecasting_model import ForecastingModel
  from darts.models.forecasting.linear_regression_model import LinearRegressionModel
  from darts.models.forecasting.regression_model import RegressionModel
  from darts.timeseries import TimeSeries, concatenate
  from darts.utils.utils import seq2series, series2seq
label_desc: Use image node_id 7 for calling the RegressionEnsembleModel obj's underlying member method code with example usage: obj.output_chunk_length() and returns: self