python3: Fix print statements

Fix print statements while running with python3. This is
due to the fact that the print() has changed between
python2 and python3.

Change-Id: I3af57cf8925e0fcfb34981f5b72ed989ba9f6cd4
Signed-off-by: Chuck Short <chuck.short@canonical.com>
Merge "python3: Fix print statements"