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95949db715
off again so that test fixtures setup/teardown instrumentation as expected - clean up test_extendedattr.py and fix it to no longer leak itself outside by ensuring _reinstall_default_lookups is always called, part of #3408 - Fixed bug where when using extended attribute instrumentation system, the correct exception would not be raised when :func:`.class_mapper` were called with an invalid input that also happened to not be weak referencable, such as an integer. fixes #3408