R. David Murray added the comment: Isn't there some discussion somewhere that if iter(x) returns x you probably have buggy code? Maybe it is io that is broken, design-wise. I think there was another issue related to iter(file) recently...someone surprised by the fact that you can't iterate a file twice without reopening it...the source of that problem is similar. Not that it necessarily soluble, but it is certainly *interesting* :)
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