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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def from_mongo(cls, data, expired=False, **kw):
 		"""In the event a value that has technically already expired is loaded, swap it for None."""

		
		value = super(Expires, cls).from_mongo(data, **kw)
		
		if not expired and value.is_expired:
			return None
		
		return value