fix pre-commit

02.recognize_digits/train.py

@@ -5,6 +5,7 @@ import paddle.v2 as paddle
 
 with_gpu = os.getenv('WITH_GPU', '0') != '0'
 
+
 def softmax_regression(img):
     predict = paddle.layer.fc(
         input=img, size=10, act=paddle.activation.Softmax())

03.image_classification/train.py

@@ -21,6 +21,7 @@ from resnet import resnet_cifar10
 
 with_gpu = os.getenv('WITH_GPU', '0') != '0'
 
+
 def main():
     datadim = 3 * 32 * 32
     classdim = 10

05.recommender_system/train.py

@@ -5,6 +5,7 @@ import os
 
 with_gpu = os.getenv('WITH_GPU', '0') != '0'
 
+
 def get_usr_combined_features():
     uid = paddle.layer.data(
         name='user_id',

06.understand_sentiment/train.py

@@ -17,6 +17,7 @@ import paddle.v2 as paddle
 
 with_gpu = os.getenv('WITH_GPU', '0') != '0'
 
+
 def convolution_net(input_dim, class_dim=2, emb_dim=128, hid_dim=128):
     data = paddle.layer.data("word",
                              paddle.data_type.integer_value_sequence(input_dim))

08.machine_translation/train.py

@@ -4,6 +4,7 @@ import paddle.v2 as paddle
 
 with_gpu = os.getenv('WITH_GPU', '0') != '0'
 
+
 def save_model(parameters, save_path):
     with open(save_path, 'w') as f:
         parameters.to_tar(f)