Update tokenizer_config.json

tokenizer_config.json

@@ -6,5 +6,5 @@
   "model_max_length": 16384,
   "tokenizer_class": "GPT2TokenizerFast",
   "unk_token": "<|endoftext|>",
-  "chat_template": "{% for message in messages %}{{'<|im_start|>'+ message['role'] + \n'+ message['content'] + '\n<|im_end|>\n'}}{% endfor %}{{'<|im_start|>assistant\n'}}"
+  "chat_template": "{% for message in messages %}{{'<|im_start|>'+ message['role'] + \n'+ message['content'] + '\n<|im_end|>\n'}}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|>assistant\n' }}{% endif %}"
 }