Update

app.py

@@ -23,7 +23,7 @@ def apply_chat_template(template):
         with_gen = tokenizer.apply_chat_template(conversation, tokenize=False, add_generation_prompt=True)
         out = f"Conversation {i} without generation prompt:\n\n{without_gen}\n\nConversation {i} with generation prompt:\n\n{with_gen}\n\n"
         outputs.append(out)
-    return *outputs
+    return tuple(outputs)
 
 iface = gr.Interface(fn=apply_chat_template, inputs="text", outputs=["text"] * len(conversations))
 iface.launch()