code: def times(self, start, stop, callback=None, **kwargs):
          '''The times between times *start* and *stop*.'''
          s1 = self.pickler.dumps(start)
          s2 = self.pickler.dumps(stop)
          backend = self.read_backend
          res = backend.structure(self).times(s1, s2, **kwargs)
          return backend.execute(res, callback or self.load_keysf times(self, start, stop, callback=None, **kwargs):
          '''The times between times *start* and *stop*.'''
          s1 = self.pickler.dumps(start)
          s2 = self.pickler.dumps(stop)
          backend = self.read_backend
          res = backend.structure(self).times(s1, s2, **kwargs)
          return backend.execute(res, callback or self.load_keys)
docs: The times between times *start* and *stop*.