Update cluster_worker.py

Author: YeahNotSewerSide

cluster_worker.py

@@ -8,7 +8,6 @@
 import logging
 import json
 import types
-import numpy
 
 logger = logging.getLogger('Cluster_Client')
 logger.setLevel(logging.DEBUG)
@@ -453,4 +452,4 @@ def client():
         #tr = traceback.format_exc()
         logger.warning('ERROR ACCURED',exc_info=e)
 
-    input()
+    input()