fix reset music

Gradio_UI.py

@@ -269,6 +269,7 @@ class GradioUI:
         )
 
     def launch(self, **kwargs):
+        global audio_url_deezer
         import gradio as gr
 
         with gr.Blocks(fill_height=True) as demo:
@@ -295,7 +296,6 @@ class GradioUI:
                 )
             text_input = gr.Textbox(lines=1, label="Chat Message")
             # Small reset of audio url when reloading
-            global audio_url_deezer
             audio_url_deezer = None
             test_audio = gr.Audio(play_audio, autoplay=True, loop=True, every=2)
             text_input.submit(