code: def __init__(self, name: str):
      self.name = "(%s: Not Missing)" % name
  
      self.has_missing = False
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING
  from dedupe import predicates
label_desc: Use image node_id 1 to create a new MissingDataType object from inherited base classes: Variable with example: obj = MissingDataType(name)