[issue1294232] Error in metaclass search order

[Daniel Urban]

Daniel Urban <urban.dani+py at gmail.com> added the comment:

That may be, but with my latest patch, this works (func is a function):

class X(metaclass=func):
    pass

But this blows up with a TypeError:

class X(object, metaclass=func):
    pass

Is this the desired behaviour? Or should we disallow non-class metaclasses in every case? (And what about backwards-compatibility?)

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