The older version of pylint does not work under python 3, so update to
a newer version. Update astroid at the same time so it is a compatible
version as well.
Disable the import-error lint check since it prevents the job from
passing but the unit test jobs do work.
Co-Authored-By: Nguyen Hai <nguyentrihai93@gmail.com>
Change-Id: I2ddf8985c2b9b6286ddb4cbfd9f3edd2002223c1
Signed-off-by: Doug Hellmann <doug@doughellmann.com>