W0403 relative-import is no longer suppressed by pylint.rc
Note:
six.moves.urllib.request was considered a relative import
from six.moves import urllib is considered valid.
The code is updated to satisfy pylint and pep8.
nfv_scenario_tests main.py still needs to use a
relative import based on how it is invoked.
Story: 2004515
Task: 28575
Change-Id: I3f576f3990352e9456fe3ee5d3a80cb1307f31e0
Signed-off-by: Al Bailey <Al.Bailey@windriver.com>