Prevent Session from staying opened between yields

[pierrejeambrun]

Follow up of: #65162

Based on Jarek idea, move the opening and closing of the session within the yield loop so connection isn't being held open on until the full response is downloaded.

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[jscheffl]

Cool! Looks much better, thanks for the discussion (in Slack)!

[pierrejeambrun]

Test demo:

On main:
https://apache-airflow.slack.com/files/U02QDAP5WH5/F0ASRB18X1A/screen_recording_2026-04-14_at_00.01.27.mov

On this branch:
https://apache-airflow.slack.com/files/U02QDAP5WH5/F0ASFACBR7D/screen_recording_2026-04-13_at_23.53.48.mov

[amoghrajesh]

LGTM +1

Nice investigation and thanks for sharing the clips, makes me a lot comfortable

[github-actions]

Backport failed to create: v3-2-test. View the failure log Run details

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Status	Branch	Result
❌	v3-2-test

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cherry_picker 9813bf5 v3-2-test

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After you have resolved the conflicts, you can continue the backport process by running:

cherry_picker --continue

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