diff --git a/source/tests/pt/test_jit.py b/source/tests/pt/test_jit.py
index 87dfa477e8..83df76ccbd 100644
--- a/source/tests/pt/test_jit.py
+++ b/source/tests/pt/test_jit.py
@@ -28,7 +28,6 @@
 
 
 class TestJIT:
-
     def test_jit(self):
         trainer = get_trainer(deepcopy(self.config))
         trainer.run()
diff --git a/source/tests/pt/test_smooth.py b/source/tests/pt/test_smooth.py
index 61f6182186..47f6b7605f 100644
--- a/source/tests/pt/test_smooth.py
+++ b/source/tests/pt/test_smooth.py
@@ -26,7 +26,6 @@
 
 
 class TestSmooth:
-
     def test(
         self,
     ):
diff --git a/source/tests/pt/test_smooth_denoise.py b/source/tests/pt/test_smooth_denoise.py
index 9d08cb325d..f8a227f2e9 100644
--- a/source/tests/pt/test_smooth_denoise.py
+++ b/source/tests/pt/test_smooth_denoise.py
@@ -23,7 +23,6 @@
 
 
 class TestSmoothDenoise:
-
     def test(
         self,
     ):
diff --git a/source/tests/pt/test_training.py b/source/tests/pt/test_training.py
index 4a649e1255..c48c19b99c 100644
--- a/source/tests/pt/test_training.py
+++ b/source/tests/pt/test_training.py
@@ -23,7 +23,6 @@
 
 
 class TestDPTrain:
-
     def test_dp_train(self):
         trainer = get_trainer(deepcopy(self.config))
         trainer.run()