Cloud Build Failure Reporter: pg-integration-test-nightly (langchain-cloud-sql-testing) failed

Cloud Build Failure Reporter found test failure for [**pg-integration-test-nightly (langchain-cloud-sql-testing)** ](https://github.com/googleapis/langchain-google-cloud-sql-pg-python/runs/41072408157) at [4313ba234f2328537ed9401c1152d78c1ab71440](https://github.com/googleapis/langchain-google-cloud-sql-pg-python/commit/4313ba234f2328537ed9401c1152d78c1ab71440). Please fix the error and then close the issue after the **pg-integration-test-nightly (langchain-cloud-sql-testing)** test passes.