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/69932256313) at [9bb7b63a3ed64b3878f90d1c9b7edb5afaa5bb6a](https://github.com/googleapis/langchain-google-cloud-sql-pg-python/commit/9bb7b63a3ed64b3878f90d1c9b7edb5afaa5bb6a). Please fix the error and then close the issue after the **pg-integration-test-nightly (langchain-cloud-sql-testing)** test passes.