fix box is not a valid method in gradio issue

app.py

@@ -149,20 +149,20 @@ def create_interface():
                 
             with gr.Column(scale=1):
                 # TTS Settings
-                with gr.Box():
-                    gr.Markdown("### TTS Settings")
-                    voice_dropdown = gr.Dropdown(
-                        choices=["Xiaobei (Female)", "Yunjian (Male)"],
-                        value="Xiaobei (Female)",
-                        label="Select Voice"
-                    )
-                    speed_slider = gr.Slider(
-                        minimum=0.5,
-                        maximum=2.0,
-                        value=1.0,
-                        step=0.1,
-                        label="Speech Speed"
-                    )
+                # Changed from gr.Box() to direct placement in column
+                gr.Markdown("### TTS Settings")
+                voice_dropdown = gr.Dropdown(
+                    choices=["Xiaobei (Female)", "Yunjian (Male)"],
+                    value="Xiaobei (Female)",
+                    label="Select Voice"
+                )
+                speed_slider = gr.Slider(
+                    minimum=0.5,
+                    maximum=2.0,
+                    value=1.0,
+                    step=0.1,
+                    label="Speech Speed"
+                )
         
         # Output section
         with gr.Row():