diff --git a/optimum/exporters/onnx/model_configs.py b/optimum/exporters/onnx/model_configs.py
index 0b0edd04a99..321f18ad692 100644
--- a/optimum/exporters/onnx/model_configs.py
+++ b/optimum/exporters/onnx/model_configs.py
@@ -117,6 +117,7 @@ def inputs(self) -> Dict[str, Dict[int, str]]:
             "token_type_ids": dynamic_axis,
         }
 
+
 class VisualBertOnnxConfig(TextAndVisionOnnxConfig):
     DEFAULT_ONNX_OPSET = 11
 
@@ -127,7 +128,7 @@ def inputs(self) -> Dict[str, Dict[int, str]]:
             "attention_mask": {0: "batch_size", 1: "sequence_length"},
             "pixel_values": {0: "batch_size", 1: "num_channels", 2: "height", 3: "width"},
         }
-    
+
     @property
     def outputs(self) -> Dict[str, Dict[int, str]]:
         return {
diff --git a/tests/exporters/exporters_utils.py b/tests/exporters/exporters_utils.py
index 87cbed4f331..b8160d65673 100644
--- a/tests/exporters/exporters_utils.py
+++ b/tests/exporters/exporters_utils.py
@@ -197,7 +197,7 @@
             "document-question-answering-with-past",
         ],
     },
-     "visualbert": "hf-internal-testing/tiny-random-VisualBertModel",
+    "visualbert": "hf-internal-testing/tiny-random-VisualBertModel",
 }