Fix call of pyflakes on Archlinux
Fix call of pyflakes on Archlinux

close #1404

laurent-george/weboob,RouxRC/weboob,willprice/weboob,Konubinix/weboob,RouxRC/weboob,frankrousseau/weboob,willprice/weboob,nojhan/weboob-devel,laurent-george/weboob,Konubinix/weboob,sputnick-dev/weboob,sputnick-dev/weboob,nojhan/weboob-devel,sputnick-dev/weboob,Konubinix/weboob,nojhan/weboob-devel,laurent-george/weboob,frankrousseau/weboob,willprice/weboob,frankrousseau/weboob,RouxRC/weboob