changing 'exit' with sys.exit to avoid 'NameError' for the exit call

src/server/BreCal/local_db.py

@@ -3,6 +3,7 @@ import pydapper
 import logging
 import json
 import os
+import sys
 
 config_path = None
 
@@ -17,7 +18,7 @@ def initPool(instancePath):
         if not os.path.exists(config_path):
             print ('cannot find ' + config_path)
             print("instance path", instancePath)
-            exit(1)
+            sys.exit(1)
 
         f = open(config_path);
         connection_data = json.load(f)