code: def DbDeleteDeviceAttribute(self, argin):
          
          self._log.debug("In DbDeleteDeviceAttribute()")
  
          if len(argin) < 2:
              self.warn_stream("DataBase::db_delete_device_attribute(): insufficient number of arguments ")
              th_exc(DB_IncorrectArguments,
                     "insufficient number of arguments to delete device attribute",
                     "DataBase::DeleteDeviceAttribute()")
  
          dev_name, attr_name = argin[:2]
  
          ret, dev_name, dfm = check_device_name(argin)
          if not ret:
              self.warn_stream("DataBase::db_delete_device_attribute(): device name " + argin + " incorrect ")
              th_exc(DB_IncorrectDeviceName,
                     "failed to delete device attribute, device name incorrect",
                     "DataBase::DeleteDeviceAttribute()")
  
          self.db.delete_device_attribute(dev_name, attr_name)
docs: Delete  device attribute properties from database
  
          :param argin: Str[0] = Device name
          Str[1] = Attribute name
          :type: tango.DevVarStringArray
          :return:
          :rtype: tango.DevVoid