code: def dataset(request):
      return request.param
  
file_path: statsmodels/statsmodels/tsa/tests/test_x13.py
imports: from statsmodels.compat.pandas import MONTH_END
  import pandas
  import pytest
  from statsmodels.datasets import co2, macrodata
  from statsmodels.tsa.x13 import _find_x12, x13_arima_analysis, x13_arima_select_order
label_desc: Use image node_id 1 for calling a global function with example usage: dataset(request) and returns: request