Anton

- Remove custom test runner tool - Add pytest runner (there is no need to install it locally from requirements because it is used as setup test requirement) These tests...

* Remove the check for `enum` import. _Motivation: check for enum's import error is unnecessary on modern python versions because its built-in library is available with a basic python build...

**NOTE: the assumption that this PR will be merged right after the #261** Major changes: - Wrap `safe_call(backend.get()...)` under the `library` call which is now used as a private wrapper...

Troubles to execute "from the box"

1

FabBits crashes and doesn't work "from the box". I believe this is caused by uncertain requirements. I'd recommend you to create `requirements.txt` file with all your third-party lib versions. Also,...