class_docstr: Raised when the runtime is currently unavailable.
docstr: Creates an `UnavailableError`.
docstr_tok: ["Creates","an","`","UnavailableError","`","."]
code: def __init__(self, message):
      """Creates an `UnavailableError`."""
      super(UnavailableError, self).__init__(message, UNAVAILABLE)
  
imports: from absl import logging
label_desc: Use image node_id 1 to create a new UnavailableError object from inherited base classes: StatusError with example: obj = UnavailableError(message)