GF PartyRemovePacket by VIDToPID

// PythonPlayerModule.cpp
PyObject * playerPartyMemberVIDToPID(PyObject* poSelf, PyObject* poArgs)
{
    DWORD dwVID;
    if (!PyTuple_GetUnsignedLong(poArgs, 0, &dwVID))
        return Py_BadArgument();

    DWORD dwPID;
    if (CPythonPlayer::Instance().PartyMemberVIDToPID(dwVID, &dwPID))
        return Py_BuildValue("i", dwPID);

    return Py_BuildValue("i", 0);
}
//
        { "PartyMemberVIDToPID",                    playerPartyMemberVIDToPID,                  METH_VARARGS },

After if you want to remove a member by VID just use like this:
(m2)net(m2g).SendPartyRemovePacket(player.PartyMemberVIDToPID(self.vid))