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