find __version__ for making package

    Args:
        package_name (str): path to _version.py folder (abspath > relpath)

    Returns:
        str: __version__ value

def get_version(package_name):
    """find __version__ for making package

    Args:
        package_name (str): path to _version.py folder (abspath > relpath)

    Returns:
        str: __version__ value

    """
    module = 'prosper.' + package_name + '._version'
    package = importlib.import_module(module)

    version = package.__version__

    return version