old_contents: """
  ZeroMQ integration into Twisted reactor.
  """
  from txzmq.connection import ZmqConnection, ZmqEndpoint, ZmqEndpointType
  from txzmq.factory import ZmqFactory
  from txzmq.pubsub import ZmqPubConnection, ZmqSubConnection
  from txzmq.pushpull import ZmqPushConnection, ZmqPullConnection
  from txzmq.xreq_xrep import ZmqXREQConnection
  
  
  __all__ = ['ZmqConnection', 'ZmqEndpoint', 'ZmqEndpointType', 'ZmqFactory',
             'ZMQPushConnection', 'ZMQPullConnection', 'ZmqPubConnection',
             'ZmqSubConnection', 'ZmqXREQConnection']
  
new_contents: """
  ZeroMQ integration into Twisted reactor.
  """
  from txzmq.connection import ZmqConnection, ZmqEndpoint, ZmqEndpointType
  from txzmq.factory import ZmqFactory
  from txzmq.pubsub import ZmqPubConnection, ZmqSubConnection
  from txzmq.pushpull import ZmqPushConnection, ZmqPullConnection
  from txzmq.xreq_xrep import ZmqXREQConnection
  
  
  __all__ = ['ZmqConnection', 'ZmqEndpoint', 'ZmqEndpointType', 'ZmqFactory',
             'ZmqPushConnection', 'ZmqPullConnection', 'ZmqPubConnection',
             'ZmqSubConnection', 'ZmqXREQConnection']
  
subject: Fix misprint after adding push/pull sockets.