blacking tests

tests/test_melody.py

@@ -185,7 +185,7 @@ def test_to_cent_voicing():
 
 
 # We can ignore this warning, which occurs when testing with all-zeros reward
-@pytest.mark.filterwarnings("ignore:Reference melody has no voiced frames")  
+@pytest.mark.filterwarnings("ignore:Reference melody has no voiced frames")
 def test_continuous_voicing_metrics():
     ref_time = np.array([0.0, 0.1, 0.2, 0.3])
     ref_freq = np.array([440.0, 0.0, 220.0, 220.0])
@@ -335,6 +335,7 @@ def test_continuous_voicing_metrics():
         for metric in actual_scores:
             assert np.isclose(actual_scores[metric], expected_scores[metric])
 
+
 def test_voicing_measures_empty():
     # We need a special test for voicing_measures because it only takes 2 args
     with pytest.warns() as w:

tests/test_segment.py

@@ -101,10 +101,10 @@ def test_segment_boundary_deviation_perfect():
 )
 def test_segment_structure_empty(metric):
     with pytest.warns(UserWarning, match="Reference intervals are empty"):
-        metric(np.zeros((0, 2)), [], np.array([[0, 1]]), ['foo'])
+        metric(np.zeros((0, 2)), [], np.array([[0, 1]]), ["foo"])
 
     with pytest.warns(UserWarning, match="Estimated intervals are empty"):
-        metric(np.array([[0, 1]]), ['foo'], np.zeros((0, 2)), [])
+        metric(np.array([[0, 1]]), ["foo"], np.zeros((0, 2)), [])
 
     with pytest.warns(UserWarning, match="intervals are empty"):
         empty_intervals = np.zeros((0, 2))