Set an exception if the required method does not exist #307
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Since Python 3.10, Python checks in Debug mode if a slot fails without an exception, or succeeds with an exception set, and aborts in this case.
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mrbean-bremen
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Since Python 3.10, Python checks in Debug mode if a slot fails without an exception, or succeeds with an exception set, and aborts in this case.
We had the case that we had a wrapper type where setitem was defined, but no delitem, and we had an automatic test that checked the behavior when calling del on such an object with an index. In Debug mode this test aborted without this fix.