* 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
* add local runner which will run ops in docker or locally
* use str.format rather than f-string
* add some brief doc string in local client
* comment the unittest about running op in docker, which is not supported in CI env for now
* Add some brief docstring about DAG used in local client
* make graph/reverse_graph of DAG as property to keep them in sync
* make some methods of LocalClient static
* remove circular reference in local client
* Incapsulate artifact storage root in the constuctor of LocalClient
* Add Alpha notice for kfp.run_pipeline_func_locally
* Support list of local images in kfp.run_pipeline_func_locally
* make staticmethod to module level private method
* Trivial modification according to code review, some renaming or docstring
* local runner support components without '--' as argument prefix
* make output file of op in loop unique
* Local runner decides whether run component in docker or in local process base on ExecutionMode
Chen Sun
Alexey Volkov
Lin Yiming