Restore Pydoc formatting in `PythonContainer` definition
Restore Pydoc formatting in `PythonContainer` definition

PiperOrigin-RevId: 374385464
Change-Id: I42b26233a2799368559f4301a4046e769eeebac8
GitOrigin-RevId: 46fa360098a843a28ea5545fcf67cceb5d3ebef5

deepmind/xmanager,deepmind/xmanager