diff --git a/kws/bin/compute_det_longwav.py b/kws/bin/compute_det_longwav.py
index 3710cd2..9728cf5 100644
--- a/kws/bin/compute_det_longwav.py
+++ b/kws/bin/compute_det_longwav.py
@@ -23,7 +23,7 @@ def load_label_and_score(keyword, label_file, score_file):
         for line in fin:
             arr = line.strip().split()
             key = arr[0]
-            str_list = arr[1: ]
+            str_list = arr[1:]
             scores = list(map(float, str_list))
             score_table[key].append(scores)
     keyword_table = {}
@@ -93,4 +93,3 @@ if __name__ == '__main__':
                                                        false_alarm_per_hour,
                                                        false_reject_rate))
             threshold += args.step
-            
\ No newline at end of file
diff --git a/kws/bin/score_longwav.py b/kws/bin/score_longwav.py
index dfed853..1d86289 100644
--- a/kws/bin/score_longwav.py
+++ b/kws/bin/score_longwav.py
@@ -57,7 +57,7 @@ def get_args():
                         help='prefetch number')
     parser.add_argument('--score_file',
                         required=True,
-                        help='output score file')                     
+                        help='output score file')
     parser.add_argument('--jit_model',
                         action='store_true',
                         default=False,
@@ -117,7 +117,7 @@ def main():
                 score = logits[i][:lengths[i]]
                 for keyword_i in range(num_keywords):
                     keyword_scores = score[:, keyword_i]
-                    score_frames = ' '.join(['{:.6f}'.format(x) 
+                    score_frames = ' '.join(['{:.6f}'.format(x)
                                             for x in keyword_scores.tolist()])
                     fout.write('{} {}\n'.format(key, score_frames))
             if batch_idx % 10 == 0: