code: def delete_security_group(self, sec_grp):
          '''
          Deletes the specified security group
          '''
          sec_grp_id = self._find_security_group_id(sec_grp)
          ret = self.network_conn.delete_security_group(sec_grp_id)
          return ret if ret else Truf delete_security_group(self, sec_grp):
          '''
          Deletes the specified security group
          '''
          sec_grp_id = self._find_security_group_id(sec_grp)
          ret = self.network_conn.delete_security_group(sec_grp_id)
          return ret if ret else True
docs: Deletes the specified security group