Error running poclbm.py; "No module named serial.serialutil"

[eltopo71]

As the title says, when I try running poclbm it fails early in the startup with this error message:

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Traceback (most recent call last):
File "./poclbm.py", line 86, in
import BFLMiner
File "/home/tony/poclbm/BFLMiner.py", line 5, in
from serial.serialutil import SerialException
ImportError: No module named serial.serialutil

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This is in Lubuntu 13.04. I noticed that this distro uses Python 3 whereas most use 2, could that be the issue?

[gaory1]

install this:
https://pypi.python.org/packages/source/p/pyserial/pyserial-2.6.tar.gz

[inlanger]

Use "pip install pyserial" command