google-cloud-spanner 1.13.0

11-11-2019 15:59 PST

Implementation Changes

Fix TransactionPingingPool to stop thowing ''NoneType' object is not callable' error. (#9609)
Return sessions from pool in LIFO order. (#9454)

Documentation

• Add Python 2 sunset banner to documentation. (#9036)
• Update description of the timeout_secs parameter. (#9381)

Internal / Testing Changes

• Harden test_transaction_batch_update* systests against partial success + abort. (#9579)