Christian Heimes <[EMAIL PROTECTED]> added the comment:
(Comment for Michael, everybody else can safely ignore it.
Instead of writing:
if isinstance(x, list) or isinstance(x, tuple) or isinstance(x, set):
you can write:
if isinstance(x, (list, tuple, set)):
or even better:
if hasattr(x, "__iter__"):
Starting with Python 2.6 you can use "from math import isnan", too.
)
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Python tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/issue4296>
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