python-pyRFC3339-1.1-bp157.2.1

- Add %{?sle15_python_module_pythons}

- Add switch-to-pytest.patch
  * Use assert and pytest rather than nose.

- use github tarball with tests
- %check: use %pytest rpm macro

- Version update to 1.1:
  * packaging cleanup mostly
  * Add :meth:`.utils.FixedOffset.__deepcopy__()` method, to prevent crash on deepcopy (:issue:`8`)

- Convert to singlespec

- Reviewed and reformatted spec

- Update to version 1.0

- insert url in spec

- Initial Release 0.2