code: def arrange_shard(self, project, logstore, count):
          
          return arrange_shard(self, project, logstore, count)
docs: arrange shard to the expected read-write count to a larger one.
  
          :type project: string
          :param project: project name
  
          :type logstore: string
          :param logstore: logstore name
  
          :type count: int
          :param count: expected read-write shard count. should be larger than the current one.
  
          :return: ''
  
          :raise: LogException