SukramJ 32a024c641 Partially revert tensorflow import move (#28184)
* Revert "Refactor imports for tensorflow (#27617)"

This reverts commit 5a83a92390e8a3255885198c80622556f886b9b3.

* move only some imports to top

* fix lint

* add comments
2019-10-24 16:41:13 -07:00
..