code: def _validate_uri_scheme(scheme):
      allowable_schemes = {"http", "https"}
      if scheme not in allowable_schemes:
          raise MlflowException(
              f"The configured tracking uri scheme: '{scheme}' is invalid for use with the proxy "
              f"mlflow-artifact scheme. The allowed tracking schemes are: {allowable_schemes}"
          )
  
file_path: mlflow/mlflow/store/artifact/mlflow_artifacts_repo.py
imports: import re
  from urllib.parse import urlparse, urlunparse
  from mlflow.exceptions import MlflowException
  from mlflow.store.artifact.http_artifact_repo import HttpArtifactRepository
  from mlflow.tracking._tracking_service.utils import get_tracking_uri
label_desc: Use image node_id 3 for calling a global function with example usage: _validate_uri_scheme(scheme) without return types