PyDolphinScheduler office release is in ASF Distribution Directory, and it should be released together with apache-dolphinscheduler.
You could release to ASF Distribution Directory according to release guide in DolphinScheduler website.
PyPI, Python Package Index, is a repository of software for the Python programming language. User could install Python package from it. Release to PyPi make user easier to install and try PyDolphinScheduler, There is an official way to package project from PyPA