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app.py

@@ -454,13 +454,31 @@ Have a conversation with an AI using your reference voice!
 """
     )
 
-    load_chat_model_btn = gr.Button("Load Chat Model", variant="primary")
+    if not USING_SPACES:
+        load_chat_model_btn = gr.Button("Load Chat Model", variant="primary")
 
-    chat_interface_container = gr.Column(visible=False)
+        chat_interface_container = gr.Column(visible=False)
+
+        @gpu_decorator
+        def load_chat_model():
+            global chat_model_state, chat_tokenizer_state
+            if chat_model_state is None:
+                show_info = gr.Info
+                show_info("Loading chat model...")
+                model_name = "Qwen/Qwen2.5-3B-Instruct"
+                chat_model_state = AutoModelForCausalLM.from_pretrained(
+                    model_name, torch_dtype="auto", device_map="auto"
+                )
+                chat_tokenizer_state = AutoTokenizer.from_pretrained(model_name)
+                show_info("Chat model loaded.")
+
+            return gr.update(visible=False), gr.update(visible=True)
+
+        load_chat_model_btn.click(load_chat_model, outputs=[load_chat_model_btn, chat_interface_container])
+
+    else:
+        chat_interface_container = gr.Column()
 
-    @gpu_decorator
-    def load_chat_model():
-        global chat_model_state, chat_tokenizer_state
         if chat_model_state is None:
             show_info = gr.Info
             show_info("Loading chat model...")
@@ -469,10 +487,6 @@ Have a conversation with an AI using your reference voice!
             chat_tokenizer_state = AutoTokenizer.from_pretrained(model_name)
             show_info("Chat model loaded.")
 
-        return gr.update(visible=False), gr.update(visible=True)
-
-    load_chat_model_btn.click(load_chat_model, outputs=[load_chat_model_btn, chat_interface_container])
-
     with chat_interface_container:
         with gr.Row():
             with gr.Column():