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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 _check_for_pending(self, *args, **kwargs):
 """ Checks if a notification is pending. """

        if self._notification_pending and not self._processing:
            self._processing = True
            args, kwargs = self._data
            self._notify(*args, **kwargs)
            self._notification_pending = False
            self._processing = False