Update app.py

app.py

@@ -567,6 +567,7 @@ async def run_tts_pipeline(task_id: str, story: StoryCreationDTO):
         }
 
     except Exception as e:
+        print(f"exception caught at run tts pipeline {str(e)}")
         tasks[task_id] = {
             "status": "failed",
             "error": str(e)