fix:Returning Any from function declared to return Tensor

Signed-off-by: ytl0623 <[email protected]>

Author: ytl0623

monai/losses/unified_focal_loss.py

@@ -293,6 +293,6 @@ def forward(self, y_pred: torch.Tensor, y_true: torch.Tensor) -> torch.Tensor:
         asy_focal_loss = self.asy_focal_loss(y_pred, y_true)
         asy_focal_tversky_loss = self.asy_focal_tversky_loss(y_pred, y_true)
 
-        loss = self.weight * asy_focal_loss + (1 - self.weight) * asy_focal_tversky_loss
+        loss: torch.Tensor = self.weight * asy_focal_loss + (1 - self.weight) * asy_focal_tversky_loss
 
         return loss