fix bugs

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

Author: ytl0623

monai/losses/unified_focal_loss.py

@@ -286,7 +286,7 @@ def forward(self, y_pred: torch.Tensor, y_true: torch.Tensor) -> torch.Tensor:
             y_true: Ground truth labels. Shape should match y_pred (or be indices if to_onehot_y is True).
         """
         if y_pred.shape != y_true.shape:
-            is_binary_logits = (y_pred.shape[1] == 1 and not self.use_softmax)
+            is_binary_logits = y_pred.shape[1] == 1 and not self.use_softmax
             if not self.to_onehot_y and not is_binary_logits:
                 raise ValueError(f"ground truth has different shape ({y_true.shape}) from input ({y_pred.shape})")