[3.15] gh-156353: Fix configparser space delimiter parsing (GH-156382) (#156557)
Co-authored-by: sundeep8967 <71071718+sundeep8967@users.noreply.github.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Signed-off-by: sundeep8967 <sundeep8967@gmail.com>