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From: david jhon <djhon9813@gmail.com>
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Hello everyone,

I am initializing lock and threading related variables in __init__() method
of the class as follows:

from threading import Timer, Lock

class miTestClass(EventMixin):
    def __init__(self, t, r, bw):
         self.statMonitorLock = Lock() #to lock the multi access threads
         self.statMonitorLock.acquire()
         statMonitorTimer = Timer(10.0, self._collectFlowStats()) #timer to
collect stats
         statMonitorTimer.start()

but I am getting following error:

Exception in thread Thread-4:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/threading.py", line 1082, in run
    self.function(*self.args, **self.kwargs)
TypeError: 'NoneType' object is not callable

I am new to python and after reading various links, I am not able to
resolve this error.
I hope anybody here could help me get it fixed. Many thanks in advance!

Regards,
David

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Content-Type: text/html; charset=UTF-8
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<div dir=3D"ltr"><div><div>Hello everyone, <br><br></div>I am initializing =
lock and threading related variables in __init__() method of the class as f=
ollows:<br><br>from threading import Timer, Lock<br><br>class miTestClass(E=
ventMixin):<br>=C2=A0=C2=A0=C2=A0 def __init__(self, t, r, bw):<br>=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 self.statMonitorLock =3D Lock() =
#to lock the multi access threads<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 self.statMonitorLock.acquire()<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 statMonitorTimer =3D Timer(10.0, self._collectFlowSta=
ts()) #timer to collect stats<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 statMonitorTimer.start()<br><br></div>but I am getting following err=
or:<br><br><div>Exception in thread Thread-4:<br>Traceback (most recent cal=
l last):<br>=C2=A0 File &quot;/usr/lib/python2.7/threading.py&quot;, line 8=
10, in __bootstrap_inner<br>=C2=A0=C2=A0=C2=A0 self.run()<br>=C2=A0 File &q=
uot;/usr/lib/python2.7/threading.py&quot;, line 1082, in run<br>=C2=A0=C2=
=A0=C2=A0 self.function(*self.args, **self.kwargs)<br>TypeError: &#39;NoneT=
ype&#39; object is not callable<br><br></div><div>I am new to python and af=
ter reading various links, I am not able to resolve this error. <br></div><=
div>I hope anybody here could help me get it fixed. Many thanks in advance!=
<br></div><div><br></div><div>Regards,<br></div><div>David <br></div></div>

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