diff --git a/paddlespeech/s2t/models/wav2vec2/modules/containers.py b/paddlespeech/s2t/models/wav2vec2/modules/containers.py
index 4fb0a8c3e..180d0bd32 100644
--- a/paddlespeech/s2t/models/wav2vec2/modules/containers.py
+++ b/paddlespeech/s2t/models/wav2vec2/modules/containers.py
@@ -18,6 +18,7 @@ import inspect
 
 import paddle
 
+
 class Sequential(paddle.nn.LayerDict):
     """A sequence of modules with potentially inferring shape on construction.
     If layers are passed with names, these can be referenced with dot notation.
diff --git a/paddlespeech/s2t/models/wav2vec2/modules/linear.py b/paddlespeech/s2t/models/wav2vec2/modules/linear.py
index 14c7b33f3..adae4514a 100644
--- a/paddlespeech/s2t/models/wav2vec2/modules/linear.py
+++ b/paddlespeech/s2t/models/wav2vec2/modules/linear.py
@@ -15,7 +15,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # Modified from speechbrain(https://github.com/speechbrain/speechbrain/blob/develop/speechbrain/nnet/linear.py).
-
 import logging
 
 import paddle