[FIX] silence pylint, which btw discovered a genuine bug
[FIX] silence pylint, which btw discovered a genuine bug

yvaucher/connector-interfaces,savoirfairelinux/connector-interfaces,liulixia1990/connector-interfaces,Endika/connector-interfaces,Endika/connector-interfaces,acsone/connector-interfaces,HBEE/connector-interfaces,zhaohuaw/connector-interfaces,acsone/connector-interfaces,savoirfairelinux/connector-interfaces,HBEE/connector-interfaces,zhaohuaw/connector-interfaces,liulixia1990/connector-interfaces,yvaucher/connector-interfaces