class_docstr: Test Manifold visualizer
class_docstr_tok: ["Test","Manifold","visualizer"]
docstr: Test the exception when manifold doesn't implement transform.
docstr_tok: ["Test","the","exception","when","manifold","does","n't","implement","transform","."]
code: def test_manifold_no_transform(self):
      """
      Test the exception when manifold doesn't implement transform.
      """
      X, _ = self.s_curves
      manifold = Manifold(manifold="lle", n_neighbors=5, target="auto")
  
      msg = "instance is not fitted yet, please call fit"
      with pytest.raises(NotFitted, match=msg):
          manifold.transform(X)
  
imports: import pytest
  from yellowbrick.features.manifold import *
  from yellowbrick.utils.types import is_estimator
  from yellowbrick.features.base import TargetType
  from yellowbrick.exceptions import YellowbrickValueError, ModelError, NotFitted
  from sklearn.pipeline import Pipeline
  from sklearn.decomposition import PCA
  from sklearn.datasets import make_blobs
  from sklearn.datasets import make_s_curve
  from sklearn.manifold import LocallyLinearEmbedding
  from unittest.mock import patch
  from tests.base import VisualTestCase
label_desc: Use image node_id 10 for calling the TestManifold obj's underlying member method code with example usage: obj.test_manifold_no_transform() without return types