Address linitng issues

Signed-off-by: Christoph Berganski <[email protected]>

Author: iksnagreb

src/onnx_ir/_core_test.py

@@ -2506,5 +2506,6 @@ def test_nbytes_single(self):
         tensor = _core.StringTensor(data)
         self.assertEqual(tensor.nbytes, 3)
 
+
 if __name__ == "__main__":
     unittest.main()

src/onnx_ir/passes/common/initializer_deduplication_test.py

@@ -85,7 +85,6 @@ def test_string_initializers_with_different_shapes_not_deduplicated(self):
         new_model = self.apply_pass(model)
         self.assertEqual(len(new_model.graph.initializers), 2)
 
-
     def test_string_initializers_with_same_bytes_but_different_grouping_not_deduplicated(self):
         model = ir.from_onnx_text(
             """
@@ -98,7 +97,6 @@ def test_string_initializers_with_same_bytes_but_different_grouping_not_deduplic
         new_model = self.apply_pass(model)
         self.assertEqual(len(new_model.graph.initializers), 2)
 
-
     def test_initializers_with_different_dtypes_not_deduplicated(self):
         model = ir.from_onnx_text(
             """