init script AttributeError

[yf13]

When running ./init --tut capabilities following tutorial, the following error message always shows:

-- Configuring done
-- Generating done
-- Build files have been written to: /a/b/x/d
Traceback (most recent call last):
  File "./init", line 90, in <module>
  File "./init", line 80, in main
AttributeError: 'str' object has no attribute 'exit_code'

The environment is Ubuntu 22.04 with python3.18.10 and python-is-python3.