Cheryl Sabella <chekat2@gmail.com> added the comment:

From the examples in msg220401, issue28385 changed it to print the object type in the message.

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format([], 'd') Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: unsupported format string passed to list.__format__ format((), 'd') Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: unsupported format string passed to tuple.__format__

Would the change left on this issue be to create a PR for Terry's documetation patch? Thanks! ---------- nosy: +csabella versions: +Python 3.6, Python 3.7, Python 3.8 -Python 3.4, Python 3.5 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue13790> _______________________________________