Returns a dictionary of descriptors deserialized from JSON for the
    specified package.

    Args:
        package (str): name of the python package to get settings for.

def descriptors(package):
    """Returns a dictionary of descriptors deserialized from JSON for the
    specified package.

    Args:
        package (str): name of the python package to get settings for.
    """
    from os import path
    dpath = _descriptor_path(package)
    if path.isfile(dpath):
        import json
        with open(dpath) as f:
            jdb = json.load(f)
        return jdb
    else:
        return None