File "devops/valid.py", line 80, in valid(parse_args) File "devops/valid.py", line 41, in valid valid_task.output_uri = args.artifacts File "/data/.trains/venvs-builds/3.6/lib/python3.6/site-packages/trains/task.py", line 695, in output_uri ", check configuration file ~/trains.conf".format(value)) ValueError: Could not get access credentials for 's3://ml-artefacts' , check configuration file ~/trains.conf