viswesn@viswesn:~/Win/Ubuntu/juju-ci-tools$ python assess_agent_metadata.py --agent-metadata-url=file:///home/viswesn/Stream/ 2>&1 file.txt
Traceback (most recent call last):
  File "assess_agent_metadata.py", line 60, in <module>
    sys.exit(main())
  File "assess_agent_metadata.py", line 50, in main
    bs_manager = BootstrapManager.from_args(args)
  File "/home/viswesn/Win/Ubuntu/juju-ci-tools/deploy_stack.py", line 675, in from_args
    soft_deadline=args.deadline)
  File "/home/viswesn/Win/Ubuntu/juju-ci-tools/jujupy.py", line 1262, in client_from_config
    env = client_class.config_class.from_config(config)
  File "/home/viswesn/Win/Ubuntu/juju-ci-tools/jujupy.py", line 510, in from_config
    juju_data = cls._from_config(name)
  File "/home/viswesn/Win/Ubuntu/juju-ci-tools/jujupy.py", line 403, in _from_config
    config, selected = get_selected_environment(name)
  File "/home/viswesn/Win/Ubuntu/juju-ci-tools/jujuconfig.py", line 24, in get_selected_environment
    'Environment "{}" does not exist.'.format(selected))
jujuconfig.NoSuchEnvironment: Environment "file.txt" does not exist.