fix typing issue in dinov2 test

Author: catwell

tests/foundationals/dinov2/test_dinov2.py

@@ -60,13 +60,14 @@ def ref_model(
     if "reg" not in flavor:
         kwargs["interpolate_offset"] = 0.0
 
-    model = torch.hub.load(  # type: ignore
+    model: torch.nn.Module = torch.hub.load(  # type: ignore
         model=flavor,
         repo_or_dir=str(dinov2_repo_path),
         source="local",
         pretrained=False,  # to turn off automatic weights download (see load_state_dict below)
         **kwargs,
-    ).to(device=test_device)
+    )
+    model = model.to(device=test_device)
 
     flavor = flavor.replace("_reg", "_reg4")
     weights = test_weights_path / f"{flavor}_pretrain.pth"