[issue42099] Fix reference to ob_type in unionobject.c and ceval

[Neil Schemenauer]

New submission from Neil Schemenauer <nas-python at arctrix.com>:

It is great that access to ob_type has been cleaned up to use an access macro.  There are two spots that still need fixing.

I think we should do something to help avoid this kind of thing slipping into the code in the future.  E.g. a special build flag that renames the ob_type member would work.  I'll make a separate bug for that.

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assignee: vstinner
components: Interpreter Core
messages: 379155
nosy: nascheme, vstinner
priority: normal
severity: normal
stage: patch review
status: open
title: Fix reference to ob_type in unionobject.c and ceval
type: enhancement

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42099>
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