code: def get_attribute(self, attribute_name, no_cache=False):
          
  
          attributes = self.get_attributes(no_cache)
  
          if attribute_name not in attributes:
              logger.debug("ADGroup {group_dn} does not have the attribute "
                           "'{attribute}'.".format(group_dn=self.group_dn, attribute=attribute_name))
              return None
          else:
              raw_attribute = attributes[attribute_name]
  
              # Pop one-item lists
              if len(raw_attribute) == 1:
                  raw_attribute = raw_attribute[0]
  
              return raw_attribute
docs: Gets the passed attribute of this group.
  
          :param attribute_name: The name of the attribute to get.
          :type attribute_name: str
          :param no_cache (optional): Set to True to pull the attribute directly from an LDAP search instead of
                                      from the cache. Default False.
          :type no_cache: boolean
  
          :returns: The attribute requested or None if the attribute is not set.