This update for python-py2pack fixes the following issues:

python-py2pack was updated to 0.8.6 (boo#1178103):

* Fix test/exampes/py2pack-opensuse.dsc
* enhance test\_template with augmented opensuse and update examples to 0.8.5
* cleanup script basename filter
* update test reference
* Fix flake8 errors
* remove python2 from travis and tox
* change test suite block
* Replace python3\_only scripts with python\_alternatives
* migrate metadate fetch to JSON API
* remove python2 shims
* update copyright header

update to 0.8.5:

* Use 3.8 python in the travis by default
* Use python 3.8 and 3.9 in tox
* Execute flake8 on latest py3 instead of old py2 version
* Add missing comment to opensuse template header
* Switch to pytest
* Just say we support py2 and py3 do not bother with minor versions
* gitignore coverage datafile
* Do not bother with creating group tag as it is optional these days in openSUSE
* Run tests under python 3.7 and fix tests
* tests: replace year in tests by placeholder
* bug: show help if no command given
* Fix date in test examples
* fix fedora tests
* fix opensuse tests
* Update py2pack-opensuse-legacy.spec
* Update py2pack-opensuse.spec
* Make template compatible with spec-cleaner
* Add default empty for scripts
* Just get rid of whole line in opensuse-legacy.spec, this breaks things
* Don't add BR on python-devel without thinking
* Add test for non-existent file
* Add documentation to py2pack/utils.py
* Add test with invalid archive
* Raise a ValueError from \_get\_archive\_filelist instead of Exception
* Add type hints to py2pack.utils
* Ignore flake8 unused import warning for typing imports
* Require typing module for python < 3.5
* Bump python version in test case
* Shorten overlong line
* Add docstrings & type hints to functions in requires.py
* Replace filter() with list/generator expressions
* Fix indentation of \_requirement\_find\_lowest\_possible
* Fix DeprecationWarnings for invalid escape sequences with python3

This update was imported from the openSUSE:Leap:15.2:Update update project.