code: def test_get_deploy_client_from_env(set_deployment_envs):
      assert get_deploy_client(None) is not None
  
imports: import pytest
  from mlflow.deployments.interface import get_deploy_client
label_desc: Use image node_id 5 for calling a global function with example usage: test_get_deploy_client_from_env(set_deployment_envs) without return types