diff --git a/tests/python/test_kernel_arg_errors.py b/tests/python/test_kernel_arg_errors.py
index 803a266def848..23a495a371d04 100644
--- a/tests/python/test_kernel_arg_errors.py
+++ b/tests/python/test_kernel_arg_errors.py
@@ -1,6 +1,7 @@
-import pytest
 import platform
 
+import pytest
+
 import taichi as ti
 from tests import test_utils
 
@@ -21,7 +22,8 @@ def foo(a: ti.i32):
 
 @test_utils.test(exclude=[ti.metal])
 def test_pass_u64():
-    if ti.lang.impl.current_cfg().arch == ti.vulkan and platform.system() == "Darwin":
+    if ti.lang.impl.current_cfg().arch == ti.vulkan and platform.system(
+    ) == "Darwin":
         return
 
     @ti.kernel