Fix pep8 error
Fix pep8 error

denisov-vlad/redash,denisov-vlad/redash,44px/redash,moritz9/redash,denisov-vlad/redash,denisov-vlad/redash,44px/redash,getredash/redash,alexanderlz/redash,chriszs/redash,moritz9/redash,chriszs/redash,getredash/redash,denisov-vlad/redash,getredash/redash,getredash/redash,chriszs/redash,chriszs/redash,moritz9/redash,44px/redash,44px/redash,moritz9/redash,alexanderlz/redash,getredash/redash,alexanderlz/redash,alexanderlz/redash