Fix #885219 : Use new-style python classes
diff --git a/sandbox/rrulewrapper.py b/sandbox/rrulewrapper.py
index 3be7c85..da4fa85 100644
--- a/sandbox/rrulewrapper.py
+++ b/sandbox/rrulewrapper.py
@@ -1,6 +1,6 @@
 from rrule import *
 
-class rrulewrapper:
+class rrulewrapper(object):
     def __init__(self, freq, **kwargs):
         self._construct = kwargs.copy()
         self._construct["freq"] = freq
diff --git a/sandbox/scheduler.py b/sandbox/scheduler.py
index c998600..c901827 100644
--- a/sandbox/scheduler.py
+++ b/sandbox/scheduler.py
@@ -12,7 +12,7 @@
 import signal
 import time
 
-class sched:
+class sched(object):
 
     def __init__(self, rrule,
                  tolerance=None, last=None,
@@ -49,7 +49,7 @@
         return item
 
 
-class schedset:
+class schedset(object):
     def __init__(self):
         self._scheds = []
 
@@ -76,7 +76,7 @@
         return res
 
 
-class schedthread:
+class schedthread(object):
     
     def __init__(self, sched, lock=None):
         self._sched = sched
@@ -109,7 +109,7 @@
                 time.sleep(seconds)
 
 
-class schedalarm:
+class schedalarm(object):
     
     def __init__(self, sched, lock=None):
         self._sched = sched