code: def __getattr__(self, item):
      if h2o.cluster():
          raise AttributeError(
              (
                  "Unknown attribute `{prop}` on object of type `{cls}`, "
                  "this property is not available for this H2O backend [version={version}]."
              ).format(
                  prop=item,
                  cls=self.__class__.__name__,
                  version=h2o.cluster().version,
              )
          )
      else:
          raise H2OConnectionError(
              "Not connected to a cluster. Did you run `h2o.init()` or `h2o.connect()`?"
          )
  
file_path: h2o-3/h2o-py/h2o/schemas/schema.py
imports: from h2o.utils.compatibility import *
  from functools import partial
  import h2o
  from h2o.exceptions import H2OConnectionError, H2OServerError
label_desc: Use image node_id 6 for calling the H2OSchema obj's underlying member method code with example usage: obj.__getattr__(item) without return types