Can't figure out where SyntaxError: can not delete variable 'x' referenced in nested scope us coming from in python >=2.6

Steven D'Aprano steve at REMOVE-THIS-cybersource.com.au
Tue Dec 9 23:57:37 CET 2008


On Tue, 09 Dec 2008 13:11:40 -0500, Albert Hopkins wrote:

> The difference is under Python 2.4 I get a traceback with the lineno and
> offending line, but I do not get a traceback in Pythons 2.6 and 3.0.

If tracebacks are broken, surely that would be a pretty huge bug. It 
seems to be broken in 2.5 as well:

>>> def a(x):
...     def b():
...             x
...     del x
...
SyntaxError: can not delete variable 'x' referenced in nested scope



> So is there a way to find the offending code w/o having to go through
> every line of code in 'foo' by hand?  

Just search for "del x" in your code. Your editor does have a search 
function, surely?


-- 
Steven



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