Temporarily fix ONNX model exporting error (#21830)

* Temporarily fix https://github.com/microsoft/onnx-converters-private/issues/143

* Reduced column width

* Fix formatting.

* Revert "Temporarily fix https://github.com/microsoft/onnx-converters-private/issues/143"

This reverts commit 6e95a108042118d204da447729f3834affa354fc.

* Fix export error.

* Revert "Fix formatting."

This reverts commit 8310f60da10358edbdf77a2a2f3c83ee55066cb8.

* Propagated changes made in SwinV2 to Swin2SR

src/transformers/models/swin2sr/modeling_swin2sr.py

@@ -520,9 +520,8 @@ def set_shift_and_window_size(self, input_resolution):
             if isinstance(self.shift_size, collections.abc.Iterable)
             else (self.shift_size, self.shift_size)
         )
-        self.window_size = (
-            input_resolution[0] if input_resolution[0] <= target_window_size[0] else target_window_size[0]
-        )
+        window_dim = input_resolution[0].item() if torch.is_tensor(input_resolution[0]) else input_resolution[0]
+        self.window_size = window_dim if window_dim <= target_window_size[0] else target_window_size[0]
         self.shift_size = (
             0
             if input_resolution

src/transformers/models/swinv2/modeling_swinv2.py

@@ -662,9 +662,8 @@ def set_shift_and_window_size(self, input_resolution):
             if isinstance(self.shift_size, collections.abc.Iterable)
             else (self.shift_size, self.shift_size)
         )
-        self.window_size = (
-            input_resolution[0] if input_resolution[0] <= target_window_size[0] else target_window_size[0]
-        )
+        window_dim = input_resolution[0].item() if torch.is_tensor(input_resolution[0]) else input_resolution[0]
+        self.window_size = window_dim if window_dim <= target_window_size[0] else target_window_size[0]
         self.shift_size = (
             0
             if input_resolution