Bug report

The process object just after creation has an Attribute _target that returns the function object that was passed into the initialization. After calling start() this Attribute seems to disappear and is not longer available resulting in AttirbuteError.

Your environment

• CPython versions tested on: Python 3.8.10 and 3.12.0a7
• Operating system and architecture: 5.10.16.3-microsoft-standard-WSL2 Ubuntu and Windows 10