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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 open_subscription_page(self, content_type):
 """ Open an instance of the subscriptions page with the selected content. """

        from .subscription_page import SubscriptionPage

        with self.term.loader('Loading {0}s'.format(content_type)):
            page = SubscriptionPage(self.reddit, self.term, self.config,
                                    self.oauth, content_type=content_type)
        if not self.term.loader.exception:
            return page