do not write description line if there are only NotAvailable attributes
do not write description line if there are only NotAvailable attributes

Boussadia/weboob,nojhan/weboob-devel,sputnick-dev/weboob,laurent-george/weboob,sputnick-dev/weboob,franek/weboob,Konubinix/weboob,yannrouillard/weboob,willprice/weboob,willprice/weboob,eirmag/weboob,RouxRC/weboob,frankrousseau/weboob,nojhan/weboob-devel,franek/weboob,yannrouillard/weboob,Boussadia/weboob,laurent-george/weboob,frankrousseau/weboob,Konubinix/weboob,frankrousseau/weboob,Konubinix/weboob,nojhan/weboob-devel,RouxRC/weboob,franek/weboob,yannrouillard/weboob,RouxRC/weboob,eirmag/weboob,eirmag/weboob,Boussadia/weboob,sputnick-dev/weboob,willprice/weboob,Boussadia/weboob,laurent-george/weboob