undefined-all-variable:17::Undefined variable name '' in __all__
undefined-variable:19::Undefined variable 'SomeUndefined'
undefined-all-variable:20::Undefined variable name 'NonExistant' in __all__
undefined-all-variable:22::Undefined variable name 'func' in __all__
undefined-all-variable:23::Undefined variable name 'inner' in __all__
undefined-all-variable:24::Undefined variable name 'InnerKlass' in __all__