code: def test_rqa_empty(gap_onset, gap_extend, knight):
      rec = np.zeros((5, 5))
  
      score, path = librosa.sequence.rqa(
          rec,
          gap_onset=gap_onset,
          gap_extend=gap_extend,
          knight_moves=knight,
          backtrack=True,
      )
  
      assert score.shape == rec.shape
      assert np.allclose(score, 0)
      assert path.shape == (0, 2)
  
imports: import numpy
  import pytest
  from test_core import srand
  import librosa
label_desc: Use image node_id 35 for calling a global function with example usage: test_rqa_empty(gap_onset, gap_extend, knight) without return types