langchain

6463d2d0 - small fix matching engine AttributeError - object has no attribute (#13763)

small fix matching engine AttributeError - object has no attribute (#13763) This PR is fixing an attributeError: object endpoint has no attribute "_public_match_client" when using gcp matching engine with private VPC network. @baskaryan, @eyurtsev, @hwchase17. --------- Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>