code: def test_trans_uniform(n):
      A = librosa.sequence.transition_uniform(n)
      assert A.shape == (n, n)
      assert np.allclose(A, 1.0 / n)
  
imports: import numpy
  import pytest
  from test_core import srand
  import librosa
label_desc: Use image node_id 22 for calling a global function with example usage: test_trans_uniform(n) without return types