diff --git a/source/blender/io/usd/intern/usd_writer_material.cc b/source/blender/io/usd/intern/usd_writer_material.cc
index cc8a559cf6a..81c5918f981 100644
--- a/source/blender/io/usd/intern/usd_writer_material.cc
+++ b/source/blender/io/usd/intern/usd_writer_material.cc
@@ -214,7 +214,8 @@ void create_usd_preview_surface_material(const USDExporterContext &usd_export_co
   /* Set opacityThreshold if an alpha cutout is used. */
   if (has_opacity) {
     if ((material->blend_method == MA_BM_CLIP) && (material->alpha_threshold > 0.0)) {
-      pxr::UsdShadeInput opacity_threshold_input = preview_surface.CreateInput(usdtokens::opacityThreshold, pxr::SdfValueTypeNames->Float);
+      pxr::UsdShadeInput opacity_threshold_input = preview_surface.CreateInput(
+          usdtokens::opacityThreshold, pxr::SdfValueTypeNames->Float);
       opacity_threshold_input.GetAttr().Set(pxr::VtValue(material->alpha_threshold));
     }
   }
diff --git a/tests/python/bl_usd_export_test.py b/tests/python/bl_usd_export_test.py
index 9097012cfce..917a47b8baa 100644
--- a/tests/python/bl_usd_export_test.py
+++ b/tests/python/bl_usd_export_test.py
@@ -144,7 +144,8 @@ class USDExportTest(AbstractUSDTest):
         shader_prim = stage.GetPrimAtPath("/_materials/Material/Principled_BSDF")
         shader = UsdShade.Shader(shader_prim)
         opacity_input = shader.GetInput('opacity')
-        self.assertEqual(opacity_input.HasConnectedSource(), False, "Opacity input should not be connected for opaque material")
+        self.assertEqual(opacity_input.HasConnectedSource(), False,
+                         "Opacity input should not be connected for opaque material")
         self.assertAlmostEqual(opacity_input.Get(), 1.0, "Opacity input should be set to 1")
 
         # The material already has a texture input to the Base Color.
@@ -154,7 +155,7 @@ class USDExportTest(AbstractUSDTest):
         bsdf = mat.node_tree.nodes['Principled BSDF']
         tex_output = bsdf.inputs['Base Color'].links[0].from_node.outputs['Color']
         alpha_input = bsdf.inputs['Alpha']
-        mat.node_tree.links.new(tex_output,alpha_input)
+        mat.node_tree.links.new(tex_output, alpha_input)
         bpy.data.materials['Material'].blend_method = 'CLIP'
         bpy.data.materials['Material'].alpha_threshold = 0.01
         export_path = self.tempdir / "alphaclip_material.usda"
@@ -174,7 +175,6 @@ class USDExportTest(AbstractUSDTest):
         self.assertEqual(opacity_input.HasConnectedSource(), True, "Alpha input should be connected")
         self.assertGreater(opacity_thres_input.Get(), 0.0, "Opacity threshold input should be > 0")
 
-
         # Modify material again, this time with alpha blend.
         bpy.data.materials['Material'].blend_method = 'BLEND'
         export_path = self.tempdir / "alphablend_material.usda"
@@ -194,6 +194,7 @@ class USDExportTest(AbstractUSDTest):
         self.assertEqual(opacity_input.HasConnectedSource(), True, "Alpha input should be connected")
         self.assertEqual(opacity_thres_input.Get(), None, "Opacity threshold should not be specified for alpha blend")
 
+
 def main():
     global args
     import argparse