python-pytz-2018.5-bp152.2.20

- update to 2018.5:
  * various python compatibility fixes
- fix upstream signing key

- specfile:
  * update copyright year
  * move from zip to tar.gz
  * updated line number in patches and fixed whitespace issues:
    o 0001-Fix-tests-for-older-timezone-versions.patch
    o fix-tests.patch
    o system-zoneinfo.patch
- update to version 2018.3:
  * Test updates for Iana 2018c changes
  * delint
  * lint target & update iana build rule
  * Bump version numbers to 2018.3/2018c
  * Include license file in the generated wheel package
  * Update travis config

- updated system_zoneinfo.patch
- update to version 2017.3:
  * PYTZ_TZDATADIR environment variable override of database location
  * Allow pickles from Python2 to be unpickled with Python3
  * Remove unmaintained CHANGES.txt
  * Test with Python 3.6
  * Detect compiled tzfiles by sniffing magic
  * Squashed 'tz/' changes from f8ebe3a64..e6ff702de
  * Be explicit about supported Python versions
  * Fixed README.txt to not issue warnings.

- add 0001-Fix-tests-for-older-timezone-versions.patch?. This fixes
  the tests on SLE12SP2 and SLE12SP3

- create correct backwards-compatible Obsoletes/Provides
- revert to semantic PyPI URLs

- update to 2017.2:
  * include IANA 2017b, tests assume >= 2017a is used
  * drop pytz-2016.10-fix-tests-with-2017a.patch, upstream

- Apply pytz-2016.10-fix-tests-with-2017a.patch for Tumbleweed
  buildin.

- Implement single-spec version

- update to 2016.10:
  * includes IANA 2016j
  * No longer fails with timezone-2017a bsc#1027705
    add pytz-2016.10-fix-tests-with-2017a.patch

- update to 2016.4
  * including fixes for Venezuela (America/Caracas) boo#975875

- update to version 2015.7:
  * Improved localtime handling, and added a localize() method enabling
    correct creation of local times.

- update to 2015.6
  * update Olson/IANA database

- update to version 2015.2:
  * update to Olson/IANA database version 2015b

- Do not remove internal timezone database on older distributions where
  it is still required

- update to 2014.10:
  + Database update to 2014j

- Use system tz database instead pytz one
  + Add system_zoneinfo.patch
  + Add timezone requirement

- Update to pytz 2014.9
  + Database updated to 2014i

- Run test suite during build (required disabling of one test as
  it is known to be broken)
- Disable broken test (fix-tests.patch)

- Update to pytz 2014.4
  + Database update to 2014d

- Update to pytz 2014.2
  + Olson/IANA databse version 2014b
  + No code changes in this release