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{Core} Fix #33996: Intermittent _DeadlockError in AAZ long-running operation - #34201
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Ethan Yang (necusjz) wants to merge 1 commit into
Open
Ethan Yang (necusjz) wants to merge 1 commit into
Ethan Yang (necusjz) wants to merge 1 commit into
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microsoft-github-policy-service
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requested a review
from Yong Zhang (yonzhan)
October 9, 2026 05:09
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|
Core |
Yeming Liu (isra-fel)
approved these changes
Oct 9, 2026
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🟡 Changes recommended
The regression test does not currently verify that the import occurs before the polling thread starts.
1 open finding
What changed in this PR
Fixes intermittent AAZ polling deadlocks by eagerly importing requests before starting the polling thread.
Changes:
- Preloads
requestsbefore worker-thread creation. - Adds regression coverage for import timing.
| File | Description |
|---|---|
aaz/_poller.py |
Moves lazy dependency loading onto the main thread. |
tests/test_aaz_poller.py |
Adds polling-thread import regression coverage. |
🧠 Review effort: Balanced
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| def test_requests_imported_before_polling_thread(self): | ||
| loaded = [] | ||
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| def polling_generator(): | ||
| loaded.append("requests" in sys.modules) | ||
| yield from () | ||
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| with mock.patch.dict(sys.modules): | ||
| for name in [n for n in sys.modules if n == "requests" or n.startswith("requests.")]: | ||
| del sys.modules[name] | ||
| AAZLROPoller(polling_generator=polling_generator(), result_callback=None).wait() | ||
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| self.assertEqual(loaded, [True]) |
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Description
Fix: #33996
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