Update conversation.py

conversation.py

@@ -930,6 +930,18 @@ register_conv_template(
     )
 )
 
+# Mistral template
+# source: https://docs.mistral.ai/llm/mistral-instruct-v0.1#chat-template
+register_conv_template(
+    Conversation(
+        name="mistral",
+        system_template="[INST]{system_message}\n",
+        roles=("[INST]", "[/INST]"),
+        sep_style=SeparatorStyle.LLAMA2,
+        sep=" ",
+        sep2="</s>",
+    )
+)
 
 # neuralchat-v3 template
 register_conv_template(