remove redundant code in attention cluster and lstm

fluid/PaddleCV/video/models/attention_cluster/attention_cluster.py

@@ -37,11 +37,6 @@ class AttentionCluster(ModelBase):
         self.class_num = self.cfg.MODEL.num_classes  #self.cfg.MODEL.class_num
         self.drop_rate = self.cfg.MODEL.drop_rate
 
-        # get mode configs
-        self.batch_size = self.get_config_from_sec(self.mode, 'batch_size', 1)
-        self.use_gpu = self.get_config_from_sec(self.mode, 'use_gpu', True)
-        self.gpu_num = self.get_config_from_sec(self.mode, 'gpu_num', 1)
-
         if self.mode == 'train':
             self.learning_rate = self.get_config_from_sec('train',
                                                           'learning_rate', 1e-3)
@@ -142,4 +137,3 @@ class AttentionCluster(ModelBase):
             "attention_cluster_youtube8m",
             "https://paddlemodels.bj.bcebos.com/video_classification/attention_cluster_youtube8m.tar.gz"
         )
-

fluid/PaddleCV/video/models/attention_lstm/attention_lstm.py

@@ -37,7 +37,6 @@ class AttentionLSTM(ModelBase):
 
         # get mode configs
         self.batch_size = self.get_config_from_sec(self.mode, 'batch_size', 1)
-        self.use_gpu = self.get_config_from_sec(self.mode, 'use_gpu', False)
         self.gpu_num = self.get_config_from_sec(self.mode, 'gpu_num', 1)
 
         if self.mode == 'train':
@@ -148,4 +147,3 @@ class AttentionLSTM(ModelBase):
 
     def weights_info(self):
         return (None, None)
-

fluid/PaddleCV/video/scripts/train/train_attention_lstm.sh

-python train.py --model-name="AttentionLSTM" --config=./configs/attention_lstm.txt --epoch-num=10 \
+python3 train.py --model-name="AttentionLSTM" --config=./configs/attention_lstm.txt --epoch-num=10 \
                 --valid-interval=1 --save-interval=1 --log-interval=10