Update app.py

app.py

@@ -74,5 +74,3 @@ async def retrain(model: UploadFile = File(...), data: str = None):
         # Clean up temporary files
         if os.path.exists(temp_model_path):
             os.remove(temp_model_path)
-        if os.path.exists(temp_data_path):
-            os.remove(temp_data_path)