Update app.py

app.py

@@ -24,20 +24,20 @@ SPECIAL_TOKENS = ["<bos>", "<eos>", "<speaker1>", "<speaker2>", "<pad>"]
 #See document for experiment https://www.linkedin.com/pulse/ai-goes-job-interview-g%C3%B6rkem-g%C3%B6knar/
 
 
- 
-def get_chat_response(name, input_txt = "Hello , what is your name?",history=[]):
+def get_chat_response(name,history=[], input_txt = "Hello , what is your name?"):
   
-  history.append(input_txt)
-  history_e = [tokenizer.encode(e) for e in history]
+  ai_history = history.copy()
+
+  ai_history.append(input_txt)
+  ai_history_e = [tokenizer.encode(e) for e in ai_history]
 
   personality = "My name is " + name
 
   bos, eos, speaker1, speaker2 = tokenizer.convert_tokens_to_ids(SPECIAL_TOKENS[:-1])
-  sequence = [[bos]  + tokenizer.encode(personality)] + history_e  
+  sequence = [[bos]  + tokenizer.encode(personality)] + ai_history_e  
   sequence = [sequence[0]] + [[speaker2 if (len(sequence)-i) % 2 else speaker1] + s for i, s in enumerate(sequence[1:])]
   sequence = list(chain(*sequence))
 
-  
   #bot_input_ids = tokenizer.encode(personality + tokenizer.eos_token + input_txt + tokenizer.eos_token  , return_tensors='pt')
   sequence_len = len(sequence)