code: def get_reviewable_hits(self, hit_type=None, status='Reviewable',
                              sort_by='Expiration', sort_direction='Ascending', 
                              page_size=10, page_number=1):
          
          params = {'Status' : status,
                    'SortProperty' : sort_by,
                    'SortDirection' : sort_direction,
                    'PageSize' : page_size,
                    'PageNumber' : page_number}
  
          # Handle optional hit_type argument
          if hit_type is not None:
              params.update({'HITTypeId': hit_type})
  
          return self._process_request('GetReviewableHITs', params, [('HIT', HIT),])
docs: Retrieve the HITs that have a status of Reviewable, or HITs that
          have a status of Reviewing, and that belong to the Requester
          calling the operation.