python3 security update

3.6.8-18.0.1 - Add Oracle Linux distribution in platform.py Orabug: 20812544 3.6.8-18 - Avoid infinite loop when reading specially crafted TAR files CVE-2019-20907 Resolves: rhbz1856481 - Resolve hash collisions for Pv4Interface and IPv6Interface CVE-2020-14422 Resolves: rhbz1854926...