None in string => TypeError?

[Chris Angelico]

On Tue, Jun 10, 2014 at 3:58 AM, Ian Kelly <ian.g.kelly at gmail.com> wrote:
> On Mon, Jun 9, 2014 at 11:40 AM, Chris Angelico <rosuav at gmail.com> wrote:
>> Also, this is the first time I've seen None as a constant other than
>> the first. Usually co_consts[0] is None, but this time co_consts[4] is
>> None.
>
> Functions always seem to have None as the first constant, but modules
> and classes are other examples that don't.
>
>>>> co = compile("class MyClass: pass", '', 'exec')
>>>> co.co_consts
> (<code object MyClass at 0x7f32aa0a3c00, file "", line 1>, 'MyClass', None)
>>>> co.co_consts[0].co_consts
> ('MyClass', None)

Huh. Learn something every day!

ChrisA