Update tokenizer_config.json

tokenizer_config.json

@@ -122,14 +122,14 @@
   ],
   "bos_token": "<bos>",
   "bos_token_id": 2,
-  "chat_template": null,
+  "chat_template": "{% for message in messages %}{% if message['role'] == 'system' %}<system>{{ message['content'] }}</system>\n{% elif message['role'] == 'user' %}<user>{{ message['content'] }}</user>\n{% elif message['role'] == 'assistant' %}<assistant>{{ message['content'] }}</assistant>\n{% endif %}{% endfor %}<assistant>",
   "clean_up_tokenization_spaces": false,
   "eos_token": "<eos>",
   "eos_token_id": 3,
   "extra_special_tokens": {},
   "mask_token": "<mask>",
   "mask_token_id": 4,
-  "max_length": 256,
+  "max_length": 512,
   "model_input_names": [
     "input_ids",
     "token_type_ids",