>>> from circuits.net.protocols import irc
>>> irc.Nick
<class 'circuits.net.protocols.irc.Nick'>
>>> irc.NICK
<class 'circuits.net.protocols.irc.NICK'>
>>> irc.Nick.__bases__
(<class 'circuits.net.protocols.irc.Response'>,)
>>> irc.NICK.__bases__
(<class 'circuits.net.protocols.irc.Command'>,)
>>>