code: def _previous_pages_count(self):
          'A generator of previous page integers.'
          skip = self.skip
          if skip == 0:
              return 0
          count, remainder = divmod(skip, self.limit)
          return counf _previous_pages_count(self):
          'A generator of previous page integers.'
          skip = self.skip
          if skip == 0:
              return 0
          count, remainder = divmod(skip, self.limit)
          return count
docs: A generator of previous page integers.