refactor: extract and narrow orm.object_session()
#17582
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Since `object_session(...)` can return `None`, we need to help mypy have confidence that the session is indeed there. One way to narrow the type is to assert that it's not `None`, and therefore should not alert about `union-attr` problems. Includes a couple of renames, and variable extraction where relevant. Signed-off-by: Mike Fiedler <miketheman@gmail.com>
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Extracted from #17519 - focused only on the changes to support |
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Since
object_session(...)can returnNone, we need to help mypy have confidence that the session is indeed there.One way to narrow the type is to assert that it's not
None, and therefore should not alert aboutunion-attrproblems.Includes a couple of renames, and variable extraction where relevant.