only one portalocker

gluon/newcron.py

@@ -19,7 +19,6 @@ import sched
 import re
 import datetime
 import platform
-import portalocker
 import fileutils
 from functools import reduce
 try:
@@ -27,6 +26,7 @@ try:
 except:
     import pickle
 from gluon.settings import global_settings
+from pydal import portalocker
 
 logger = logging.getLogger("web2py.cron")
 _cron_stopping = False