Apply autopep8 (and docformatter) between the lines start and end of
    source.

def fix_line_range(source_code, start, end, options):
    """Apply autopep8 (and docformatter) between the lines start and end of
    source."""
    # TODO confirm behaviour outside range (indexing starts at 1)
    start = max(start, 1)

    options.line_range = [start, end]
    from autopep8 import fix_code
    fixed = fix_code(source_code, options)

    try:
        if options.docformatter:
            from docformatter import format_code
            fixed = format_code(
                fixed,
                summary_wrap_length=options.max_line_length - 1,
                description_wrap_length=(options.max_line_length
                                         - 2 * options.indent_size),
                pre_summary_newline=options.pre_summary_newline,
                post_description_blank=options.post_description_blank,
                force_wrap=options.force_wrap,
                line_range=[start, end])
    except AttributeError:  # e.g. using autopep8.parse_args, pragma: no cover
        pass

    return fixed