prologue init, broken indentation
`logue init` generates code with broken indentation, still works but IDEs complain about it, see warning in red.

![prologue_init](https://user-images.githubusercontent.com/1189414/136535607-d253d374-7f1c-4908-b160-8a9b3fa6e419.png)

It is not 2-space based.
