python3: handle module moves in log
python3: handle module moves in log

Python 3 reorganized the standard library and moved several functions to different modules.
Six provides a consistent interface to them through the fake six.moves module.

Change-Id: I040fe8e0e4640e7cdd805ab49891b94da6cc4595
Signed-off-by: Chuck Short <753a8074f04ffd62a8fff7516e3ae689be8e35ad@canonical.com>

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