Update app.py

app.py

@@ -153,7 +153,11 @@ def convert_text_to_speech(input_text: str, source_language: str, target_languag
             target_language,  
             api_name="/run",  
         )
-        
+
+        # Check if the result is valid
+        if not result:
+            raise ValueError("No result returned from text-to-speech service")
+
         # Initialize variables
         translated_text = ""
         audio_file_path = ""
@@ -172,10 +176,13 @@ def convert_text_to_speech(input_text: str, source_language: str, target_languag
                 audio_file_path = save_audio(item)  # Save the audio file
                 break
 
+        if not audio_file_path:
+            raise ValueError("No audio file path returned from text-to-speech service")
+
         return audio_file_path, translated_text
 
     except Exception as e:
-        return f"Error in text-to-speech conversion: {str(e)}", ""
+        return "", f"Error in text-to-speech conversion: {str(e)}"
 
 def process_image(image_input):
     # Initialize the Gradio client with the URL of the Gradio server