#27 Fix for:: looking for __bases__ on strings

[David Stanek]

Any module that declars a global instance of an object
gaves me the following error:

AttributeError: 'str' object has no attribute '__bases__'

This is because the check code to check that the token
is a class object is a little too greedy. It'll even
catch instances because of the hasattr...

The patch will work on 2.3 and up...but I think it'll
run an 2.2 and maybe 2.1.

[David Stanek]

[Freek Dijkstra]

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Fixes it for me. Thanks!

Too bad the maintainer has not included this patch (at least it's not in 0.8.17).