Update app.py

app.py

@@ -13,7 +13,7 @@ def generate_chatml(user_messages, assistant_messages):
         
         if i < len(assistant_messages) and assistant_messages[i].strip():
             chatml += f"<|im_start|>assistant\n{assistant_messages[i].strip()}\n<|im_end|>\n"
-    return chatml[16:-11]
+    return chatml[17:-11]
 
 with gr.Blocks() as demo:
     gr.Markdown("# ChatML Template Generator\n## This will generate a prompt for you to enter to ChatGPT.\n### There should be one more item in the user field for it to work.")