__bases__ misleading error message

[Mario Figueiredo]

In article <mailman.18103.1422137849.18130.python-list at python.org>, 
ian.g.kelly at gmail.com says...
> 
> No, you're being told that the *object* doesn't know the names of the
> variables that it's bound to. In the context above, the variable is
> right there under that name in the globals dict, as can be seen in the
> disassembly:
[snipped]

Yes. I got it now. I misinterpreted Steven words.