Fix AttributeError: 'ClientConnectorCertificateError' object has no attribute '_os_error'. #12136
+25
−2
Patchback / Backport to 3.13
succeeded
Feb 26, 2026 in 14s
Backport to 3.13: 💚 backport PR created
✅ Backport PR branch: patchback/backports/3.13/c0f1513c37cb145b2618aeffd8f58d2f0cf230ab/pr-12136
Details
Backported as #12147
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