Fix pep8 on controllers stream
Fix pep8 on controllers stream

jgabriellima/mining,jgabriellima/mining,mlgruby/mining,AndrzejR/mining,chrisdamba/mining,mining/mining,avelino/mining,seagoat/mining,mlgruby/mining,AndrzejR/mining,chrisdamba/mining,mlgruby/mining,avelino/mining,seagoat/mining,mining/mining