rename planetstack module to xos
diff --git a/planetstack/hpc_observer/steps/garbage_collector.py b/planetstack/hpc_observer/steps/garbage_collector.py
index bf99da7..3ccffee 100644
--- a/planetstack/hpc_observer/steps/garbage_collector.py
+++ b/planetstack/hpc_observer/steps/garbage_collector.py
@@ -4,7 +4,7 @@
import traceback
from collections import defaultdict
from django.db.models import F, Q
-from planetstack.config import Config
+from xos.config import Config
from util.logger import Logger, logging
from observer.syncstep import SyncStep
from hpc.models import ServiceProvider, ContentProvider, CDNPrefix, OriginServer