[issue10017] pprint.pprint raises TypeError on dictionaries with user-defined types as keys

[Anton Barkovsky]

Anton Barkovsky <swarmer.pm at gmail.com> added the comment:

Here's a patch with fix and tests.

Note that class objects are not comparable and have the same type so they
fall back on sorting by id. Should we sort them by name as a special case instead?

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keywords: +patch
Added file: http://bugs.python.org/file26433/pprint_fix.patch

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