assert isinstance(config, dict), \
'lost_unfound task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
- (mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
+ (mon,) = ctx.cluster.only(first_mon).remotes.keys()
manager = ceph_manager.CephManager(
mon,