class_docstr: Calling the get function of `FutureObject` repeatedly.
class_docstr_tok: ["Calling","the","get","function","of","`","FutureObject","`","repeatedly","."]
code: def __init__(self):
      self.error_info = "The `get` function of the `FutureObject` has been called before. We can only call the `get` function for each FutureObject **once**."
  
label_desc: Use image node_id 1 to create a new FutureGetRepeatedlyError object from inherited base classes: Exception with example: obj = FutureGetRepeatedlyError()