Bug#881653: libqcow FTBFS: dh: unable to load addon python2

[Adrian Bunk]

Source: libqcow
Version: 20170222-2
Severity: serious

https://buildd.debian.org/status/package.php?p=libqcow&suite=sid

...
 fakeroot debian/rules clean
dh clean --with python2,python3 --parallel
dh: unable to load addon python2: Can't locate Debian/Debhelper/Sequence/python2.pm in @INC (you may need to install the Debian::Debhelper::Sequence::python2 module) (@INC contains: /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.26.1 /usr/local/share/perl/5.26.1 /usr/lib/x86_64-linux-gnu/perl5/5.26 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.26 /usr/share/perl/5.26 /usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-base) at (eval 10) line 1.
BEGIN failed--compilation aborted at (eval 10) line 1.

debian/rules:10: recipe for target 'clean' failed
make: *** [clean] Error 2



lintian says:
E: libqcow source: syntax-error-in-control-file debian/control: syntax error at line 6: Cannot parse line "dh-python,"