Update tester.py

tester.py

@@ -162,7 +162,7 @@ class CaptionSampler(object):
         return ' '.join(sampled_caption)
 
     def __init_vocab(self):
-        with open(self.args["vocab_path"], 'rb') as f:
+        with open('vocab.pkl', 'rb') as f:
             vocab = pickle.load(f)
         return vocab