* Reformat sdk only using the new yapf config.
* Reformat docstrings using docformatter.
* update golden files to resolve diff caused by whitespaces
* fix some tests
* format .py files under sdk/python/tests using yapf
* additional docformatter
* fix some tests
* Support replacable arguments in command as well (besides arguments) in container op.
* Fix components builder.
* Fix tests.
* Follow up CR comments.
* Fix test.