* 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
* Now pipeline function takes direct default values rather than dsp.PipelineParam. It simplifies the sample code a lot.
* Remove extraneous parenthesis.
* Follow up CR comments.
* Change Dockerfile (not done).
* Fix dockerfile.
* Fix Dockerfile again.
* Remove unneeded installation of packages in Dockerfile.
Chen Sun
Alexey Volkov
qimingj
Pascal Vicaire