class_docstr: Exception raised when non-blocking get() (or get_nowait()) is called on a `FutureObject` which is empty.
class_docstr_tok: ["Exception","raised","when","non-blocking","get","(",")","(","or","get_nowait","(",")",")","is","called","on","a","`","FutureObject","`","which","is","empty","."]
code: def __str__(self):
      return self.error_info
  
label_desc: Use image node_id 2 for calling the FutureObjectEmpty obj's underlying member method code with example usage: obj.__str__() and returns: self