format_docstring
- PlasmaCalcs.tools.docs_tools.format_docstring(*args__format, sub_indent=None, sub_ntab=None, **kw__format)
returns a decorator of f which returns f, after updating f.__doc__ via f.__doc__.format(…)
sub_indent: None or strif provided, indent all lines (after the first line) for each multiline string, before formatting.sub_ntab: intif provided when sub_indent is None, use sub_indent = sub_ntab * DEFAULTS.TAB.