code: def _improper_model_uri_msg(uri):
      return (
          f"Not a proper models:/ URI: {uri}. "
          + "Models URIs must be of the form 'models:/model_name/suffix' "
          + "or 'models:/model_name@alias' where suffix is a model version, stage, "
          + "or the string '%s' and where alias is a registered model alias. "
          % _MODELS_URI_SUFFIX_LATEST
          + "Only one of suffix or alias can be defined at a time."
      )
  
file_path: mlflow/mlflow/store/artifact/utils/models.py
imports: import urllib.parse
  from typing import NamedTuple, Optional
  import mlflow.tracking
  from mlflow.exceptions import MlflowException
  from mlflow.utils.uri import get_databricks_profile_uri_from_artifact_uri, is_databricks_uri
label_desc: Use image node_id 2 for calling a global function with example usage: _improper_model_uri_msg(uri) and returns: unknown