Re: [rhinstaller/anaconda/pulls/265 master] Add few docs and improvement in check_ip_address

[dashea]

> @@ -116,8 +126,11 @@ def sanityCheckHostname(hostname):
>  return (True, "")
>
> -# Return a list of IP addresses for all active devices.
>  def getIPs():
> """ Return a list of IP addresses for all active devices.
>    :return: list of IP addresses

I think this only duplicates the description. Either drop it and make the docstring one-line or replace it with ``:rtype:`` which would be more interesting here, I'd say.