code: def get_return_page(self,prior=False):
          ''' This is just a wrapper for the getReturnPage helper function. '''
          siteHistory = self.request.session.get('SITE_HISTORY',{})
          return getReturnPage(siteHistory,prior=priorf get_return_page(self,prior=False):
          ''' This is just a wrapper for the getReturnPage helper function. '''
          siteHistory = self.request.session.get('SITE_HISTORY',{})
          return getReturnPage(siteHistory,prior=prior)
docs: This is just a wrapper for the getReturnPage helper function.