fix Resize for JIT single value sequences (#7139)

test/test_prototype_transforms_consistency.py

@@ -74,6 +74,7 @@ CONSISTENCY_CONFIGS = [
         legacy_transforms.Resize,
         [
             ArgsKwargs(32),
+            ArgsKwargs([32]),
             ArgsKwargs((32, 29)),
             ArgsKwargs((31, 28), interpolation=prototype_transforms.InterpolationMode.NEAREST),
             ArgsKwargs((33, 26), interpolation=prototype_transforms.InterpolationMode.BICUBIC),

torchvision/prototype/transforms/_geometry.py

@@ -46,11 +46,16 @@ class Resize(Transform):
     ) -> None:
         super().__init__()
 
-        self.size = (
-            [size]
-            if isinstance(size, int)
-            else _setup_size(size, error_msg="Please provide only two dimensions (h, w) for size.")
-        )
+        if isinstance(size, int):
+            size = [size]
+        elif isinstance(size, (list, tuple)) and len(size) in {1, 2}:
+            size = list(size)
+        else:
+            raise ValueError(
+                f"size can either be an integer or a list or tuple of one or two integers, " f"but got {size} instead."
+            )
+        self.size = size
+
         self.interpolation = interpolation
         self.max_size = max_size
         self.antialias = antialias