chore : formatted python files

aidge_backend_opencv/unit_tests/test_tensor.py

@@ -5,10 +5,11 @@ import numpy as np
 
 
 class test_tensor(unittest.TestCase):
-    """Test tensor binding
-    """
+    """Test tensor binding"""
+
     def setUp(self):
         pass
+
     def tearDown(self):
         pass
 
@@ -47,5 +48,6 @@ class test_tensor(unittest.TestCase):
     #     for i,j in zip(t.dims(), np_array.shape):
     #         self.assertEqual(i,j)
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     unittest.main()