ruby and apt-listbugs, how to solve some bugs

Sometimes in debian, when ruby package change, apt-listbugs blocks the updates of aptitude
to solve sometimes is possible disable apt-listbugs, update the debian system and after enable apt-listbugs .

as root
#mv /etc/apt/apt.conf.d/10apt-listbugs /root/

after update
#aptitude update; aptitude -y safe-upgrade

if the update is ok

#mv /root/10apt-listbugs /etc/apt/apt.conf.d/

that's all

Some bugs resolved
 #721583 [apt-listbugs] ruby-gettext has undefined method, all package actions fail
 #735116 apt-listbugs: […]/debian.rb:24:in `require': no such file to load -- debian_version (LoadError)
#744754: apt-listbugs: Bug with Ruby, crashes aptitude