Build windows7x64,cvxopt (Sep 13, 2019, 9:39:55 PM)

1. Both stages of futurize. (details / githubweb)
2. Require install of future. (details / githubweb)
3. don't use absolute import (details / githubweb)
4. fix to composite (now works with py3) (details / githubweb)

Started by upstream project "gplibrary_PR_Models" build number 102
originally caused by:

• GitHub pull request #176 of commit 8aaef0861b5511fd1f53616645ca79ffb3640e92, no merge conflicts.