1228
1228
parent_map = self._parents_provider.get_parent_map(revisions)
1229
1229
found_revisions.update(parent_map)
1230
1230
for rev_id, parents in parent_map.iteritems():
1231
1233
new_found_parents = [p for p in parents if p not in self.seen]
1233
1235
# Calling set.update() with an empty generator is actually