demande-import-test: use `wsgiref` instead of `telnetlib` for testing
The `telnetlib` module has been dropped in 3.13. The `wsgiref` module fit the
same purpose of being obscure and not imported yet.
fixbundle() {
grep -v 'saving bundle' | grep -v 'saved backup' | \
grep -v added | grep -v adding | \
grep -v "unable to find 'e' for patching" | \
grep -v "e: No such file or directory" | \
cat
}