delete dead code

chiphuyen · chiphuyen · commit bf44851d7913 · 2017-03-05T21:05:11.000-08:00
diff --git a/assignments/chatbot/chatbot.py b/assignments/chatbot/chatbot.py
@@ -137,7 +137,6 @@ def train():
     model.build_graph()
 
     saver = tf.train.Saver()
-    initial_step = 0
 
     with tf.Session() as sess:
         print('Running session')
