diff --git a/tests/test_qartod.py b/tests/test_qartod.py
index cfa65f4..92b5a74 100644
--- a/tests/test_qartod.py
+++ b/tests/test_qartod.py
@@ -720,7 +720,6 @@ def test_climatology_test_all_unknown(self):
         self._run_test(test_inputs, expected_result)
 
 
-
 class QartodClimatologyMissingTest(unittest.TestCase):
     def setUp(self):
         self.cc = qartod.ClimatologyConfig()
@@ -775,7 +774,6 @@ def test_climatology_missing_values(self):
         self._run_test(test_inputs, expected_result)
 
 
-
 class QartodClimatologyTest(unittest.TestCase):
 
     def setUp(self):
@@ -917,7 +915,6 @@ def test_climatology_test_depths(self):
         self._run_test(test_inputs, expected_result)
     
 
-
 class QartodSpikeTest(unittest.TestCase):
 
     def setUp(self):