* [python] Fix change exists pd attribute user error
* Remove attribute from class ProcessDefinition, cause it should to
object User instead of object ProcessDefinition.
* Grant project to user if attribute user change for exists ProcessDefinition
close: #8751
* Add py.test conftest.py for package integration
* [python] Add code style lint for GA
* Change github action name
* Auto change by black
* Fix flake8
* Fix broken link for pyds README.md
* Auto fix by black
* Separate GitHub workflows
* Add Black badge and CI locally in README.md
* Add CI for python API
* Fix task assign without process definition
* Fix ci
* Add header
* Add build badge for pydolphinscheduler
* Add content to README.md
* Remove unnecessary blank line