Add 3.12 to unittest CI jobs (#8299)

.github/workflows/prototype-tests-linux-gpu.yml

@@ -12,6 +12,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12"
         runner: ["linux.12xlarge"]
         gpu-arch-type: ["cpu"]
         include:

.github/workflows/tests.yml

@@ -18,6 +18,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12"
         runner: ["linux.12xlarge"]
         gpu-arch-type: ["cpu"]
         include:
@@ -51,6 +52,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12"
         runner: ["macos-12"]
         include:
           - python-version: "3.8"
@@ -81,6 +83,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12"
         runner: ["windows.4xlarge"]
         gpu-arch-type: ["cpu"]
         include:

test/test_transforms_v2.py

@@ -54,7 +54,12 @@ from torchvision.transforms.v2.functional._utils import _get_kernel, _register_k
 
 
 # turns all warnings into errors for this module
-pytestmark = pytest.mark.filterwarnings("error")
+pytestmark = [pytest.mark.filterwarnings("error")]
+
+if sys.version_info[:2] >= (3, 12):
+    # torchscript relies on some AST stuff that got deprecated in 3.12,
+    # so we have to explicitly ignore those otherwise we'd error on warnings due to the pytestmark filter above.
+    pytestmark.append(pytest.mark.filterwarnings("ignore::DeprecationWarning"))
 
 
 @pytest.fixture(autouse=True)