code: def test_transform_no_text_model():
      assert isinstance(
          text2mat(data, semantic=None, corpus=data)[0], np.ndarray
      )
  
file_path: hypertools/tests/test_text2mat.py
imports: import numpy
  from hypertools.tools import text2mat
  from sklearn.decomposition import LatentDirichletAllocation
label_desc: Use image node_id 6 for calling a global function with example usage: test_transform_no_text_model() without return types