Update ace_loss.py

ppocr/losses/ace_loss.py

@@ -32,6 +32,7 @@ class ACELoss(nn.Layer):
     def __call__(self, predicts, batch):
         if isinstance(predicts, (list, tuple)):
             predicts = predicts[-1]
+            
         B, N = predicts.shape[:2]
         div = paddle.to_tensor([N]).astype('float32')
 
@@ -42,9 +43,7 @@ class ACELoss(nn.Layer):
         length = batch[2].astype("float32")
         batch = batch[3].astype("float32")
         batch[:, 0] = paddle.subtract(div, length)
-
         batch = paddle.divide(batch, div)
 
         loss = self.loss_func(aggregation_preds, batch)
-
         return {"loss_ace": loss}