Update .flake8
Update .flake8

Co-Authored-By: therve <c7be10f2119e2e46cb646e25a5134252a2fe801d@datadoghq.com>
DataDog/integrations-extras,DataDog/integrations-extras,DataDog/integrations-extras,DataDog/integrations-extras,DataDog/integrations-extras