Ignore new errors in flake8 3.5.0 3.x branch (#759)
Ignore new errors in flake8 3.5.0 3.x branch (#759)

flake8 3.5.0 added two new errors, E722 do not use bare except and E741
ambiguous variable name 'l'. This ignores those two new errors.
wcmitchell/insights-core,wcmitchell/insights-core