Update runfile.py

runfile.py

@@ -48,10 +48,19 @@ def run_cli():
 
 def run_gradio():
     def gradio_interface(audio, target_pitch):
+        if audio is None:
+            return "Error: No audio input provided."
+
         audio_path = "input_audio.wav"
         output_path = "output_tuned.wav"
+        
+        # Save the input audio file to the disk
         sf.write(audio_path, audio[1], audio[0])
+
+        # Apply auto-tune
         y_tuned, sr = auto_tune(audio_path, target_pitch=target_pitch)
+        
+        # Return the tuned audio to Gradio for playback
         return (sr, y_tuned)
 
     iface = gr.Interface(