     ERROR │ The director raised an exception.
────────────────────────────────── Traceback ───────────────────────────────────
Traceback (most recent call last):
  File "${PWD}/stepup/core/director.py", line ---, in async_main
    await serve(
  File "${PWD}/stepup/core/director.py", line ---, in serve
    check_plan(path_plan)
  File "${PWD}/stepup/core/utils.py", line ---, in check_plan
    raise ValueError(f"Is not a file: {path_plan}")
ValueError: Is not a file: plan.py
────────────────────────────────────────────────────────────────────────────────
  DIRECTOR │ See you!
