Path 1: 146 calls (1.0)

→ s ' 1. Beautiful is beTTer than ugly.' (18) ' 3. Simple is better than complex.' (18) ' 1. Beautiful is better than ugly.' (17) ' 3. Simple is...

→ tag_s ' ^^ ' (34) ' ' (18) ' ++ ' (17) ' ^^...

↩ return ' ^^ ' (34) ' ' (17) ' ++ ' (17) ' ^^...

2 run 1 not run

1def _keep_original_ws(s, tag_s):
2    """Replace whitespace with the original whitespace characters in `s`"""
3    return ''.join(
4        c if tag_c == " " and c.isspace() else tag_c
5        for c, tag_c in zip(s, tag_s)
6    )