[COMAC-228] Update progran-synchronizer based on XOS 3.0

Change-Id: I8316d0c58602c86a9df3f02501268877596770d6
diff --git a/xos/synchronizer/steps/sync_imsi.py b/xos/synchronizer/steps/sync_imsi.py
index aabec76..c895fd2 100644
--- a/xos/synchronizer/steps/sync_imsi.py
+++ b/xos/synchronizer/steps/sync_imsi.py
@@ -16,7 +16,7 @@
 
 import os
 import sys
-from xossynchronizer.steps.SyncInstanceUsingAnsible import SyncStep
+from xossynchronizer.steps.syncstep import SyncStep
 from xossynchronizer.modelaccessor import MCordSubscriberInstance
 
 from xosconfig import Config