fix config

app.py

@@ -7,6 +7,7 @@ if __name__ == "__main__":
     _conf = DemoConfig()
     # _conf.SQ
     _conf.OUTPUT_FOLDER = os.path.join(os.path.abspath(os.curdir), '/tmp/ivoryos_data')
+    os.makedirs(_conf.OUTPUT_FOLDER, exist_ok=True)
     _conf.CSV_FOLDER = os.path.join(_conf.OUTPUT_FOLDER, 'config_csv/')
     _conf.SCRIPT_FOLDER = os.path.join(_conf.OUTPUT_FOLDER, 'scripts/')
     _conf.DATA_FOLDER = os.path.join(_conf.OUTPUT_FOLDER, 'results/')