code: def test_ts_parallel_singleton():
      pt.setup(
          data_func=lambda: get_data("airline", verbose=False),
          fh=12,
          fold=3,
          fig_kwargs={"renderer": "notebook"},
          session_id=42,
      )
  
      test_models = pt.models().index.tolist()[:2]
  
      pt.compare_models(
          include=test_models, n_select=2, parallel=FugueBackend("dask")
      )
      pt.pull()
  
imports: import pycaret.time_series
  from pycaret.datasets import get_data
  from pycaret.parallel import FugueBackend
label_desc: Use image node_id 2 for calling a global function with example usage: test_ts_parallel_singleton() without return types