Ron Garret wrote:
Why doesn't this work?
from weakref import ref
class C(str): pass
...
ref(C())
Traceback (most recent call last):
File "<stdin>", line 1, in ?
TypeError: cannot create weak reference to 'C' object
Note that you don't need the class redirection:
py> ref('')
Traceback (most recent call last):
File "<interactive input>", line 1, in ?
TypeError: cannot create weak reference to 'str' object
But I don't know why strings aren't valid arguments to ref...
STeVe
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