diff --git a/tools/program.py b/tools/program.py
index bd17db4afec459468b6428611308cd8c41920ca5..2bb34835269d913b0ef773d9233a65b6ccb9f2d5 100755
--- a/tools/program.py
+++ b/tools/program.py
@@ -187,7 +187,7 @@ def train(config,
 
     use_srn = config['Architecture']['algorithm'] == "SRN"
     model_type = config['Architecture']['model_type']
-    
+
     if 'start_epoch' in best_model_dict:
         start_epoch = best_model_dict['start_epoch']
     else:
@@ -338,8 +338,12 @@ def train(config,
     return
 
 
-def eval(model, valid_dataloader, post_process_class, eval_class,
-         model_type, use_srn=False):
+def eval(model,
+         valid_dataloader,
+         post_process_class,
+         eval_class,
+         model_type,
+         use_srn=False):
     model.eval()
     with paddle.no_grad():
         total_frame = 0.0
@@ -352,7 +356,7 @@ def eval(model, valid_dataloader, post_process_class, eval_class,
                 break
             images = batch[0]
             start = time.time()
-            preds = model(images, data=batch[1:])           
+            preds = model(images, data=batch[1:])
             batch = [item.numpy() for item in batch]
             # Obtain usable results from post-processing methods
             total_time += time.time() - start