Extracts the values from a string that represents a dict and returns them
    sorted by key.

    Args:
        str_in (string) that contains python dict
    Returns:
        (list) with values or None if no valid dict was found
    Raises:
        -

def str2dict_values(str_in):
    '''
    Extracts the values from a string that represents a dict and returns them
    sorted by key.

    Args:
        str_in (string) that contains python dict
    Returns:
        (list) with values or None if no valid dict was found
    Raises:
        -
    '''
    tmp_dict = str2dict(str_in)
    if tmp_dict is None:
        return None
    return [tmp_dict[key] for key in sorted(k for k in tmp_dict)]