diff --git a/gamutrfwaterfall/tests/test_waterfall.py b/gamutrfwaterfall/tests/test_waterfall.py
index 3db49aa8..ac7aa5fa 100755
--- a/gamutrfwaterfall/tests/test_waterfall.py
+++ b/gamutrfwaterfall/tests/test_waterfall.py
@@ -119,10 +119,14 @@ def test_run_waterfall(self):
                         # timestamp,start_freq,end_freq,dB,type
                         # 1.0,1.49609375,1.5078125,100.0,narrowband
                         self.assertEqual(
-                            round(peak_min / 1e6, 1), round(float(row["start_freq"]), 1), row
+                            round(peak_min / 1e6, 1),
+                            round(float(row["start_freq"]), 1),
+                            row,
                         )
                         self.assertEqual(
-                            round(peak_max / 1e6, 1), round(float(row["end_freq"]), 1), row
+                            round(peak_max / 1e6, 1),
+                            round(float(row["end_freq"]), 1),
+                            row,
                         )
                         self.assertEqual(peak_val, float(row["dB"]), row)