[2025/05/24 19:00:57.536] =================================== FAILURES ===================================
 [2025/05/24 19:00:57.536] ___ TestTransactions.test_transaction_pool_cleared_error_labelled_transient ____
 [2025/05/24 19:00:57.536] self = <test.test_transactions.TestTransactions testMethod=test_transaction_pool_cleared_error_labelled_transient>
 [2025/05/24 19:00:57.536]     @client_context.require_transactions
 [2025/05/24 19:00:57.536]     def test_transaction_pool_cleared_error_labelled_transient(self):
 [2025/05/24 19:00:57.536]         c = self.single_client()
 [2025/05/24 19:00:57.536]         with self.assertRaises(AutoReconnect) as context:
 [2025/05/24 19:00:57.536]             with c.start_session() as session:
 [2025/05/24 19:00:57.536]                 with session.start_transaction():
 [2025/05/24 19:00:57.536] >                   server = c._select_server(writable_server_selector, session, "test")
 [2025/05/24 19:00:57.536] test/test_transactions.py:399:
 [2025/05/24 19:00:57.536] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
 [2025/05/24 19:00:57.536] ../../../../synchro/__init__.py:390: in __getattr__
 [2025/05/24 19:00:57.536]     return Database(self, name, delegate=getattr(self.delegate, name))
 [2025/05/24 19:00:57.536] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
 [2025/05/24 19:00:57.536]     def __getattr__(self, name):
 [2025/05/24 19:00:57.536]         if name.startswith("_"):
 [2025/05/24 19:00:57.536] >           raise AttributeError(
 [2025/05/24 19:00:57.536]                 f"{self.__class__.__name__} has no attribute {name!r}. To access the {name}"
 [2025/05/24 19:00:57.536]                 f" database, use client['{name}']."
 [2025/05/24 19:00:57.536]             )
 [2025/05/24 19:00:57.536] E           AttributeError: MotorClient has no attribute '_select_server'. To access the _select_server database, use client['_select_server'].
 [2025/05/24 19:00:57.536] ../../../../motor/core.py:286: AttributeError
 [2025/05/24 19:00:57.536] - generated xml file: /data/mci/85bb2c8a4cc68d65fdb818d071c782da/src/.tox/synchro/tmp/mongo-python-driver/xunit-results/TEST-results.xml -
 [2025/05/24 19:00:57.536] =========================== short test summary info ============================