def dele(self):
    doc = self._call(self._del_url)
    self._last_value_time = 0
    self._last_value = None
    if (self._get_xml_single_content(doc, 'status') == 'FS_OK'):
        return True
    else:
        raise Exception('Deleting failed {}'.format(self._get_xml_single_content(doc, 'status')))
def dele(self):
    doc = self._call(self._del_url)
    self._last_value_time = 0
    self._last_value = None
    if (self._get_xml_single_content(doc, 'status') == 'FS_OK'):
        return True
    else:
        raise Exception('Deleting failed {}'.format(self._get_xml_single_content(doc, 'status')))