def get_help_text(instance, field_name):
    """
    Returns help_text for a field.
    inspired by https://stackoverflow.com/questions/14496978/fields-verbose-name-in-templates
    call in template like e.g.  get_help_text <classname> "<fieldname>"
    """
    try:
        label = instance._meta.get_field(field_name).help_text
    except Exception as e:
        label = None
    if label:
        return "{}".format(label)
    else:
        return "No helptext for '{}' provided".format(field_name)