import os
from scale_gp import SGPClient

client = SGPClient(
    api_key=os.environ.get("SGP_API_KEY"),  # This is the default and can be omitted
)
response = client.model_servers.update_backend(
    model_server_id="model_server_id",
    new_model_deployment_id="new_model_deployment_id",
)
print(response.account_id)

{
  "name": "<string>",
  "model_server_id": "<string>",
  "account_id": "<string>",
  "new_model_deployment_id": "<string>",
  "model_deployment_id": "<string>",
  "alias": "<string>",
  "old_model_deployment_id": "<string>"
}