2329     def __init__(self, revs1, revs2, ascending=None):

  2329     def __init__(self, revs1, revs2, ascending=None):

  2330         self._r1 = revs1

  2330         self._r1 = revs1

  2331         self._r2 = revs2

  2331         self._r2 = revs2

  2332         self._iter = None

  2332         self._iter = None

  2333         self._ascending = ascending

  2333         self._ascending = ascending

  2334 

  2341 

  2335     def _iterator(self):

  2342     def _iterator(self):

  2336         if not self._iter:

  2343         if not self._iter:

  2337             def gen():

  2344             def gen():

  2338                 for r in self._r1:

  2345                 for r in self._r1: