        0/0 |      ERROR │ The director raised an exception.
────────────────────────────────── Traceback ───────────────────────────────────
Traceback (most recent call last):
  File "${PWD}/stepup/core/director.py", line ---, in async_main
    returncode = await serve(
               File "${PWD}/stepup/core/director.py", line ---, in serve
    check_plan("plan.py")
  File "${PWD}/stepup/core/utils.py", line ---, in check_plan
    raise ValueError(f"First line of plan differs from '{shebang}': {path_plan}")
ValueError: First line of plan differs from '#!/usr/bin/env python3': plan.py
────────────────────────────────────────────────────────────────────────────────
        0/0 |   DIRECTOR │ See you!
