command_read: pylama fixes
command_read: pylama fixes

iksaif/biggraphite,Thib17/biggraphite,iksaif/biggraphite,criteo/biggraphite,Thib17/biggraphite,Thib17/biggraphite,iksaif/biggraphite,criteo/biggraphite,criteo/biggraphite,iksaif/biggraphite,Thib17/biggraphite,dpanth3r/biggraphite,criteo/biggraphite