[fbsync] Put pytestmark at top of file (#8032)

Reviewed By: vmoens

Differential Revision: D50789098

fbshipit-source-id: 46cf78e6a5b6a29f7f16838ae5f7aefc18f7601d

Author: NicolasHug

test/test_transforms_v2.py

@@ -52,6 +52,10 @@
 from torchvision.transforms.v2.functional._utils import _get_kernel, _register_kernel_internal
 
 
+# turns all warnings into errors for this module
+pytestmark = pytest.mark.filterwarnings("error")
+
+
 @pytest.fixture(autouse=True)
 def fix_rng_seed():
     set_rng_seed(0)
@@ -539,10 +543,6 @@ def affine_bounding_boxes(bounding_boxes):
     )
 
 
-# turns all warnings into errors for this module
-pytestmark = pytest.mark.filterwarnings("error")
-
-
 class TestResize:
     INPUT_SIZE = (17, 11)
     OUTPUT_SIZES = [17, [17], (17,), [12, 13], (12, 13)]