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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_miss(self, **kwargs):
 """Called to initialize an instance when it is not found in the cache. For example, if your CacheModel should pull data from the database to populate the cache, def from_miss(self, username):
 user = User.objects.get(username=username) self.email = user.email self.full_name = user.get_full_name() """


        raise type(self).Missing(type(self)(**kwargs).key())