* 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
* fix(sdk): compile ParallelFor in a deterministic manner
During compilataion ParallelFor components end up with randomized names,
which makes it very inconvenient to compare two versions of a pipeline.
This commit fixes this issue.
* fix(sdk): fix new parallel-for test cases
Chen Sun