code: def test_custom_pipeline_is_list():
      """Assert that a custom pipeline can be provided as list."""
      data = pycaret.datasets.get_data("juice")
      pc = pycaret.classification.setup(
          data=data,
          custom_pipeline=[("pca", PCA(n_components=5))],
      )
      X, _ = pc.pipeline.transform(pc.X, pc.y)
      assert X.shape[1] == 5
  
imports: import io
  import numpy
  import pandas
  import pytest
  from imblearn.over_sampling import ADASYN
  from scipy.sparse import csr_matrix
  from sklearn.decomposition import PCA
  from sklearn.ensemble import RandomForestClassifier
  from sklearn.pipeline import Pipeline
  from sklearn.preprocessing import StandardScaler
  import pycaret.classification
  import pycaret.datasets
  import pycaret.regression
label_desc: Use image node_id 41 for calling a global function with example usage: test_custom_pipeline_is_list() without return types