Mainly the scripts in the script directory for building etc. Runtimes used by OCP seem to be ok. Find python files and run the pylint to start with.
Rosemarie posted a patch for this BZ here: https://patchwork.ozlabs.org/project/openvswitch/patch/20210607223118.506944-1-roriorde@redhat.com/
Here is the latest version of the patch: https://patchwork.ozlabs.org/project/openvswitch/patch/20210615155802.209024-1-roriorde@redhat.com/
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (openvswitch2.15 bug fix and enhancement update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2021:3449