code: def load_backend(backend_name):
      # Static backends
      if backend_name in MLFLOW_BACKENDS:
          return MLFLOW_BACKENDS[backend_name]()
  
      # backends from plugin
      try:
          backend_builder = entrypoints.get_single(
              ENTRYPOINT_GROUP_NAME, backend_name
          ).load()
          return backend_builder()
      except entrypoints.NoSuchEntryPoint:
          # TODO Should be a error when all backends are migrated here
          available_entrypoints = entrypoints.get_group_all(
              ENTRYPOINT_GROUP_NAME
          )
          available_plugins = [
              entrypoint.name for entrypoint in available_entrypoints
          ]
          __logger__.warning(
              "Backend '%s' is not available. Available plugins are %s",
              backend_name,
              available_plugins + list(MLFLOW_BACKENDS.keys()),
          )
  
      return None
  
imports: import logging
  import entrypoints
  from mlflow.projects.backend.local import LocalBackend
label_desc: Use image node_id 1 for calling a global function with example usage: load_backend(backend_name) and returns: None, MLFLOW_BACKENDS, backend_builder