Packages changed:
  libeconf
  libunwind
  python-networkx
  python-six

=== Details ===

==== libeconf ====

- explicitly BuildRequire: pkgconfig for /usr/lib/rpm/pkgconfigdeps.sh
  On TW it's pulled in implicitly by libxcrypt-devel which is not the
  case on 15.2

==== libunwind ====

- Enable s390x for building

==== python-networkx ====

- Add patch from upstream that fixes gh#networkx/networkx#4203)
  * 0001-Replace-hash-function-for-test-of-weighted-astar.patch
- Drop patch that is not needed anymore:
  * disable-test-failing-in-i586.patch

==== python-six ====

- Use %pycache_only %python_sitelib instead of %python3_sitelib
  * fixes gh#openSUSE/python-rpm-macros#64#issuecomment-715373348