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/36213182847) at [78c0ce012340b7af7488627b3898ca22d55c5f55](https://github.com/googleapis/langchain-google-cloud-sql-pg-python/commit/78c0ce012340b7af7488627b3898ca22d55c5f55). Please fix the error and then close the issue after the **pg-integration-test-nightly (langchain-cloud-sql-testing)** test passes.