Yong Tang a52b825c7e Update docker-py ...

This fix update docker-py so that containers from the tests run
could be cleaned up during teardown:
```diff
-ENV DOCKER_PY_COMMIT 5e28dcaace5f7b70cbe44c313b7a3b288fa38916
+ENV DOCKER_PY_COMMIT 8b246db271a85d6541dc458838627e89c683e42f
```

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
Upstream-commit: 66935a0f64f0a72162fb3919c759f4f500b6c372
Component: engine

2018-02-23 22:24:47 +00:00

..

engine

Update docker-py

2018-02-23 22:24:47 +00:00