pack does not work with flash

[cchall]

Need to add allowance for non-sirepo, templated codes

Traceback (most recent call last):
  File "/home/vagrant/.pyenv/versions/py3/bin/rsopt", line 8, in <module>
    sys.exit(main())
  File "/home/vagrant/.pyenv/versions/3.9.15/envs/py3/lib/python3.9/site-packages/rsopt/rsopt_console.py", line 15, in main
    return pkcli.main('rsopt')
  File "/home/vagrant/.pyenv/versions/3.9.15/envs/py3/lib/python3.9/site-packages/pykern/pkcli/__init__.py", line 158, in main
    res = argh.dispatch(parser, argv=argv)
  File "/home/vagrant/.pyenv/versions/3.9.15/envs/py3/lib/python3.9/site-packages/argh/dispatching.py", line 179, in dispatch
    for line in lines:
  File "/home/vagrant/.pyenv/versions/3.9.15/envs/py3/lib/python3.9/site-packages/argh/dispatching.py", line 290, in _execute_command
    for line in result:
  File "/home/vagrant/.pyenv/versions/3.9.15/envs/py3/lib/python3.9/site-packages/argh/dispatching.py", line 273, in _call
    result = function(*positional, **keywords)
  File "/home/vagrant/.pyenv/versions/3.9.15/envs/py3/lib/python3.9/site-packages/rsopt/pkcli/pack.py", line 120, in configuration
    files = _get_files_from_job(job)
  File "/home/vagrant/.pyenv/versions/3.9.15/envs/py3/lib/python3.9/site-packages/rsopt/pkcli/pack.py", line 66, in _get_files_from_job
    files = _get_file_list_from_model(m, job.code, job.setup['input_file'])
  File "/home/vagrant/.pyenv/versions/3.9.15/envs/py3/lib/python3.9/site-packages/rsopt/pkcli/pack.py", line 40, in _get_file_list_from_model
    file_list = [model_path.joinpath(model['_SimData__source'].basename), ]
KeyError: '_SimData__source'