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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 get_object(self, queryset=None):
 """ Implement cache on ``get_object`` method to avoid repetitive calls, in POST. """

        if self._cached_object is None:
            self._cached_object = super(EntryCacheMixin, self).get_object(
                queryset)
        return self._cached_object