On Sun, May 29, 2011 at 10:53 AM, Chris Angelico <[email protected]> wrote:
> On Sun, May 29, 2011 at 10:47 PM, Steven D'Aprano
> <[email protected]> wrote:
>> If a name is assigned to anywhere in the function, treat it as a local,
>> and look it up in the local namespace. If not found, raise
>> UnboundLocalError.
>>
>
> Wait wha? I've never seen this... wouldn't it just create it in the
> local namespace?
>
> Can you give example code that will trigger this error? I'm curious, now...
def foo():
print bar
bar = 42
foo()
===>
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 2, in foo
UnboundLocalError: local variable 'bar' referenced before assignment
Cheers,
Chris
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