Roy Smith added the comment:
(ugh, hit return too soon)
>>> '{1}'.format()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
IndexError: tuple index out of range
This is a confusing error message. The user hasn't written any tuples, so a
message about a tuple index out of range will just leave them scratching their
head. We should either return a more specific subclass of IndexError, or at
least a more descriptive text describing what went wrong.
See https://mail.python.org/pipermail/python-list/2014-June/674188.html for
background.
----------
type: -> behavior
versions: +Python 2.7
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue21879>
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