fix paddle2.5 index bug

audio/audiotools/data/transforms.py

@@ -13,6 +13,7 @@ from .. import ml
 from ..core import AudioSignal
 from ..core import util
 from .datasets import AudioLoader
+from paddlespeech.utils import satisfy_paddle_version
 
 
 class BaseTransform:
@@ -130,9 +131,15 @@ class BaseTransform:
             # `v` may be `Tensor` or `AudioSignal`
             if 0 == len(v.shape) and 0 == mask.dim():
                 if mask:  # 0d 的 True
-                    masked_batch[k] = v[None]
+                    masked_batch[k] = v.unsqueeze(0)
                 else:
                     masked_batch[k] = paddle.to_tensor([], dtype=v.dtype)
+            else:
+                if not satisfy_paddle_version('2.6'):
+                    if 0 == mask.dim() and bool(mask) and paddle.is_tensor(v):
+                        masked_batch[k] = v.unsqueeze(0)
+                    else:
+                        masked_batch[k] = v[mask]
                 else:
                     masked_batch[k] = v[mask]
         return unflatten(masked_batch)