message: up doc
  up doc
diff: @@ -307,6 +307,7 @@ class Client(object):
  if isinstance(feed, dict):
  feed_batch.append(feed)
  elif isinstance(feed, list):
  + # batch_size must be 1, cause batch is already in Tensor.
  if len(feed) != 1:
  raise ValueError("Feed only list = [dict]")
  feed_batch = feed
  @@ -328,7 +329,8 @@ class Client(object):
  fetch_names = []
  counter = 0
  - batch_size = len(feed_batch) # batch_size must be 1.
  + # batch_size must be 1, cause batch is already in Tensor.
  + batch_size = len(feed_batch)
  for key in fetch_list:
  if key in self.fetch_names_:
  