Don't miss class decorators when walking the AST.
Don't miss class decorators when walking the AST.

sanzinger/pyflakes,rounds/pyflakes,RonnyPfannschmidt-Attic/pyflakes-old,RonnyPfannschmidt/pyflakes-old,kevinw/pyflakes,AlekhyaMallina-Vedams/pyflakes