Migrate away from deprecated PyEval_CallObject
This is now deprecated since Python 3.9 and consumers are supposed to move to https://docs.python.org/release/3.9.0/c-api/call.html#c.PyObject_Call and its variants.
This is now deprecated since Python 3.9 and consumers are supposed to move to https://docs.python.org/release/3.9.0/c-api/call.html#c.PyObject_Call and its variants.