IReactorTCP.connectTCP claims that its host parameter should be a bytes.
However, this is inconsistent with usage elsewhere in Twisted, and furthermore the implementation in PosixReactorBase assumes otherwise. (It will work with bytes, but other documentation suggests it expects a str.)
#!CommitTicketReference repository="" revision="ec7445d6361ce04424b3570a81263dc6760f15de"
Merge pull request #1664 from twisted/10251-connecttcp-host-type
Correct the IReactorTCP.connectTCP host parameter type annotation to match
real-world implementations as discussed on the mailing list.