[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

monai/transforms/post/array.py

@@ -681,15 +681,15 @@ def __init__(self, weights: Sequence[float] | NdarrayOrTensor | None = None) ->
     def __call__(self, img: Sequence[NdarrayOrTensor] | NdarrayOrTensor) -> NdarrayOrTensor:
         out_pt = None
         total_weight = 0.0
-        
+
         for i, pred in enumerate(img):
             pred = torch.as_tensor(pred)
             if out_pt is None:
                 out_pt = torch.zeros_like(pred)
 
             if self.weights is not None:
                 weight = self.weights[i].to(pred.device)
-            
+
             out_pt += pred * weight
             total_weight += weight