* Revert "Refactor imports for tensorflow (#27617)"
This reverts commit 5a83a92390e8a3255885198c80622556f886b9b3.
* move only some imports to top
* fix lint
* add comments
* Refactoring imports for tensorflow
* Removing whitespace spaces on blank line 110
* Moving tensorflow to try/except block
* Fixed black formatting
* Refactoring try/except to if/else
* Consolidate
* Fix tests
* Update imports
* Fix import
* Use importlib because integration and package share name
* Fix more tests
* Update .coveragerc and CODEOWNERS