This changes the upper-constraints to point to our internal,
since the OpenStack Stein file doesn't exist anymore. Also,
a small fix detected by the Bandit tool.
Test Plan:
- Execute: tox -e bandit
Closes-bug: 2033294
Change-Id: I8735bcd2ad23f4269d83a3ffc880a8588e72b5a3
Signed-off-by: Hugo Brito <hugo.brito@windriver.com>