Merge branch 'refactor' into hf

interface.py

@@ -51,7 +51,10 @@ class GradioInterface:
                             label="Interaction Log", lines=3, interactive=False
                         )
                         audio_output = gr.Audio(
-                            label="Character's Response", type="filepath", autoplay=True
+                            label="Character's Response",
+                            type="filepath",
+                            autoplay=True,
+                            interactive=False,
                         )
 
                         with gr.Row():
@@ -211,7 +214,7 @@ class GradioInterface:
 
     def run_pipeline(self, audio_path):
         if not audio_path:
-            return gr.update(value=""), gr.update(value="")
+            return gr.update(value=None), gr.update(value=None)
         tmp_file = f"audio_{int(time.time())}_{uuid.uuid4().hex[:8]}.wav"
         self.results = self.pipeline.run(
             audio_path,