python3 security and bug fix update

[3.6.8-31.0.1]

• Add Oracle Linux distribution in platform.py [Orabug: 20812544]
  [3.6.8-31]
• Avoid infinite loop when reading specially crafted TAR files (CVE-2019-20907)
  Resolves: rhbz#1856481
• Resolve hash collisions for Pv4Interface and IPv6Interface (CVE-2020-14422)
  Resolves: rhbz#1854926
  [3.6.8-30]
• Remove downstream 00178-dont-duplicate-flags-in-sysconfig.patch which
  introduced a bug on distutils.sysconfig.get_config_var(‘LIBPL’)
  (rhbz#1851090).
  [3.6.8-29]
• Fix python3-config --configdir (rhbz#1772992).
  [3.6.8-28]
• Security fix for CVE-2020-8492
  Resolves: rhbz#1810618
  [3.6.8-27]
• Add a sentinel value on the Hmac_members table of the fips compliant hmac module
  Resolves: rhbz#1800512
  [3.6.8-26]
• Skip test_startup_imports from test_site if we have a .pth file in sys.path
  Resolves: rhbz#1814392
  [3.6.8-25]
• Security fix for CVE-2019-16935
  Resolves: rhbz#1798001
  [3.6.8-24]
• Build Python with -fno-semantic-interposition for better performance
• https://fedoraproject.org/wiki/Changes/PythonNoSemanticInterpositionSpeedup
• Also fix test_gdb failures with Link Time Optimizations
  Resolves: rhbz#1724996