Remove incorrectly used "# flake8: noqa"
Remove incorrectly used "# flake8: noqa"

"# flake8: noqa" option disables all checks for the whole file.
To disable one line we should use "# noqa".
Remove unused "# flake8: noqa" and fix hidden hacking errors.

Change-Id: I8b26cb0e7e5ad4a838099c7aa3ced31b96f28ca2
Closes-Bug: #1540254

olivierlemasle/murano,olivierlemasle/murano,DavidPurcell/murano_temp,NeCTAR-RC/murano,NeCTAR-RC/murano,satish-avninetworks/murano,DavidPurcell/murano_temp,DavidPurcell/murano_temp,NeCTAR-RC/murano,olivierlemasle/murano,satish-avninetworks/murano,openstack/murano,NeCTAR-RC/murano,olivierlemasle/murano,DavidPurcell/murano_temp,openstack/murano,satish-avninetworks/murano,satish-avninetworks/murano