diff --git a/tests/transforms/test_operators.py b/tests/transforms/test_operators.py
index 8c86070..25e47a5 100644
--- a/tests/transforms/test_operators.py
+++ b/tests/transforms/test_operators.py
@@ -137,34 +137,43 @@ class TestTransform(CpuCommonTest):
         self.inputs = [
             build_input_from_file(
                 'data/ssst/test_optical_clas.txt',
-                prefix='./data/ssst'), build_input_from_file(
-                    'data/ssst/test_sar_clas.txt',
-                    prefix='./data/ssst'), build_input_from_file(
-                        'data/ssst/test_multispectral_clas.txt',
-                        prefix='./data/ssst'), build_input_from_file(
-                            'data/ssst/test_optical_seg.txt',
-                            prefix='./data/ssst'), build_input_from_file(
-                                'data/ssst/test_sar_seg.txt',
-                                prefix='./data/ssst'), build_input_from_file(
-                                    'data/ssst/test_multispectral_seg.txt',
-                                    prefix='./data/ssst'),
+                prefix='./data/ssst'), 
+            build_input_from_file(
+                'data/ssst/test_sar_clas.txt',
+                prefix='./data/ssst'), 
+            build_input_from_file(
+                'data/ssst/test_multispectral_clas.txt',
+                prefix='./data/ssst'), 
+            build_input_from_file(
+                'data/ssst/test_optical_seg.txt',
+                prefix='./data/ssst'), 
+            build_input_from_file(
+                'data/ssst/test_sar_seg.txt',
+                prefix='./data/ssst'), 
+            build_input_from_file(
+                'data/ssst/test_multispectral_seg.txt',
+                prefix='./data/ssst'),
             build_input_from_file(
                 'data/ssst/test_optical_det.txt',
                 prefix='./data/ssst',
-                label_list='data/ssst/labels_det.txt'), build_input_from_file(
-                    'data/ssst/test_sar_det.txt',
-                    prefix='./data/ssst',
-                    label_list='data/ssst/labels_det.txt'),
+                label_list='data/ssst/labels_det.txt'), 
+            build_input_from_file(
+                'data/ssst/test_sar_det.txt',
+                prefix='./data/ssst',
+                label_list='data/ssst/labels_det.txt'),
             build_input_from_file(
                 'data/ssst/test_multispectral_det.txt',
                 prefix='./data/ssst',
-                label_list='data/ssst/labels_det.txt'), build_input_from_file(
-                    'data/ssmt/test_mixed_binary.txt',
-                    prefix='./data/ssmt'), build_input_from_file(
-                        'data/ssmt/test_mixed_multiclass.txt',
-                        prefix='./data/ssmt'), build_input_from_file(
-                            'data/ssmt/test_mixed_multitask.txt',
-                            prefix='./data/ssmt')
+                label_list='data/ssst/labels_det.txt'), 
+            build_input_from_file(
+                'data/ssmt/test_mixed_binary.txt',
+                prefix='./data/ssmt'), 
+            build_input_from_file(
+                'data/ssmt/test_mixed_multiclass.txt',
+                prefix='./data/ssmt'), 
+            build_input_from_file(
+                'data/ssmt/test_mixed_multitask.txt',
+                prefix='./data/ssmt')
         ]
 
     def test_DecodeImg(self):