UnexpectedMethodCallError in an other moudle call moxed time.localtime()

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What steps will reproduce the problem?
1. mox the time.localtime()
2. call time.localtime() in an other moudle

code:
0 .... 
1 t = time.gmtime(time.mktime((2012, 10, 1, 15, 26,0,0,0,0))) 
2 self.mox.StubOutWithMock?(time, 'localtime') 
3 time.localtime().AndReturn?(t) 
4 self.mox.ReplayAll()
5 print "mox localtime:", time.localtime()    # correct
6 othermoudle.func() # call time.localtime() in func()  # error
7 ...

What is the expected output? What do you see instead?
on the line 5,I got a correct mox time: 
(Pdb) time.localtime() 
time.struct_time(tm_year=2012, tm_mon=10, tm_mday=1, tm_hour=7, tm_min=26, 
tm_sec=0, tm_wday=0, tm_yday=275, tm_isdst=0)

and then call time.localtime in an other moudle, I got an error: 
(Pdb) time.time() 
1333178201.334844 
(Pdb) time.localtime() 
UnexpectedMethodCallError: Unexpected method call Stub for <built-in function 
localtime>.call() -> None 
(Pdb)

What version of the product are you using? On what operating system?
mox-0.5.3-py2.7.egg
python 2.7
Ubuntu 11.10 desktop

Please provide any additional information below.
my error msg is:
Unit test of worker.

mox localtime: time.struct_time(tm_year=2012, tm_mon=10, tm_mday=1, tm_hour=7, 
tm_min=26, tm_sec=0, tm_wday=0, tm_yday=275, tm_isdst=0)

F
======================================================================
FAIL: testIsTimeToWorkFirst (__main__.WorkerTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test_worker.py", line 64, in testIsTimeToWorkFirst
    ret = w.is_timeto_work()
  File "/home/pyw/work/demux/worker/worker.py", line 119, in is_timeto_work
    self.update_time()
  File "/home/pyw/work/demux/worker/worker.py", line 92, in update_time
    localtime = time.localtime()
  File "/usr/local/lib/python2.7/dist-packages/mox-0.5.3-py2.7.egg/mox.py", line 1002, in __call__
    expected_method = self._VerifyMethodCall()
  File "/usr/local/lib/python2.7/dist-packages/mox-0.5.3-py2.7.egg/mox.py", line 1049, in _VerifyMethodCall
    expected = self._PopNextMethod()
  File "/usr/local/lib/python2.7/dist-packages/mox-0.5.3-py2.7.egg/mox.py", line 1035, in _PopNextMethod
    raise UnexpectedMethodCallError(self, None)
UnexpectedMethodCallError: Unexpected method call Stub for <built-in function 
localtime>.__call__() -> None

Original issue reported on code.google.com by pengyu...@gmail.com on 31 Mar 2012 at 7:47