ipython/ipython — pull request #4464 by takluyver (2013-10-30 18:09:52+00:00)
Title: Correct description for Bytes traitlet type

Closes gh-4463

Alternatives: 'a bytes object', 'a byte string', 'bytes'. The last reads most naturally to me, but all the others I can see are described as 'a/an thing'.