code: def test_le_pipe():
      X = np.array([1, 2, 3])
      X_t = preprocessing.LabelEncoderPipe().fit_transform(X)
      assert X_t.shape != X.shape
  
file_path: sk-dist/skdist/tests/test_preprocessing.py
label_desc: Use image node_id 8 for calling a global function with example usage: test_le_pipe() without return types