fixed return values

app.py

@@ -145,7 +145,7 @@ def generate_audio_with_voice(text, voice_key, speed_val):
 
         if audio_np is None:
             print("Audio generation failed.")
-            return None, None, "Audio generation failed."
+            return None, "Audio generation failed."
 
         # Prepare audio for Gradio
         sr = 24000  # Adjust based on your actual sampling rate
@@ -156,7 +156,7 @@ def generate_audio_with_voice(text, voice_key, speed_val):
 
     except Exception as e:
         print(f"Error in generate_audio_with_voice: {e}")
-        return None, None, "An error occurred during audio generation."
+        return None, "An error occurred during audio generation."
 
 
 def build_modified_vector(voice_key, top6_values):