[#7717] PEP8 format & import optimization
[#7717] PEP8 format & import optimization

apache/allura,heiths/allura,heiths/allura,heiths/allura,lym/allura-git,apache/allura,lym/allura-git,apache/allura,apache/allura,lym/allura-git,heiths/allura,lym/allura-git,lym/allura-git,heiths/allura,apache/allura