def datetime_from_iso8601(datetime_str):
return aniso8601.parse_datetime(datetime_str)<EOL>
Turns an ISO8601 formatted date into a datetime object.

    Example::

        inputs.datetime_from_iso8601("2012-01-01T23:30:00+02:00")

    :param datetime_str: The ISO8601-complying string to transform
    :type datetime_str: str
    :return: A datetime