langchain

3ad78e48 - Use endpoint_url if provided with boto3 session for dynamodb (#11622)

Use endpoint_url if provided with boto3 session for dynamodb (#11622) - **Description:** Uses `endpoint_url` if provided with a boto3 session. When running dynamodb locally, credentials are required even if invalid. With this change, it will be possible to pass a boto3 session with credentials and specify an endpoint_url --------- Co-authored-by: Bagatur <baskaryan@gmail.com> Co-authored-by: Erick Friis <erick@langchain.dev>