Update admin_routes.py

admin_routes.py

@@ -810,7 +810,7 @@ async def generate_tts(
         
         # Preprocess text if needed
         preprocessor = TTSPreprocessor(language=request.language)
-        processed_text = preprocessor.process(
+        processed_text = preprocessor.preprocess(
             request.text,
             tts_provider.get_preprocessing_flags()
         )