old_contents: """
  Encapsulate the different transports available to Salt.
  """
  # Import Python libs
  
  import logging
  
  # Import Salt libs
  import salt.utils.versions
  
  # Import third party libs
  from salt.ext import six
  from salt.ext.six.moves import range
  
  log = logging.getLogger(__name__)
  
  x = "fix pre"
  
  
  def iter_transport_opts(opts):
      """
      Yield transport, opts for all master configured transports
      """
      transports = set()
  
      for transport, opts_overrides in opts.get("transport_opts", {}).items():
          t_opts = dict(opts)
          t_opts.update(opts_overrides)
          t_opts["transport"] = transport
          transports.add(transport)
          yield transport, t_opts
  
      if opts["transport"] not in transports:
          yield opts["transport"], opts
  
  
  class MessageClientPool:
      def __init__(self, tgt, opts, args=None, kwargs=None):
          sock_pool_size = opts["sock_pool_size"] if "sock_pool_size" in opts else 1
          if sock_pool_size < 1:
              log.warning(
                  "sock_pool_size is not correctly set, the option should be "
                  "greater than 0 but is instead %s",
                  sock_pool_size,
              )
              sock_pool_size = 1
  
          if args is None:
              args = ()
          if kwargs is None:
              kwargs = {}
  
          self.message_clients = [tgt(*args, **kwargs) for _ in range(sock_pool_size)]
  
new_contents: """
  Encapsulate the different transports available to Salt.
  """
  
  import logging
  
  import salt.utils.versions
  from salt.ext import six
  from salt.ext.six.moves import range
  
  log = logging.getLogger(__name__)
  
  
  def iter_transport_opts(opts):
      """
      Yield transport, opts for all master configured transports
      """
      transports = set()
  
      for transport, opts_overrides in opts.get("transport_opts", {}).items():
          t_opts = dict(opts)
          t_opts.update(opts_overrides)
          t_opts["transport"] = transport
          transports.add(transport)
          yield transport, t_opts
  
      if opts["transport"] not in transports:
          yield opts["transport"], opts
  
  
  class MessageClientPool:
      def __init__(self, tgt, opts, args=None, kwargs=None):
          sock_pool_size = opts["sock_pool_size"] if "sock_pool_size" in opts else 1
          if sock_pool_size < 1:
              log.warning(
                  "sock_pool_size is not correctly set, the option should be "
                  "greater than 0 but is instead %s",
                  sock_pool_size,
              )
              sock_pool_size = 1
  
          if args is None:
              args = ()
          if kwargs is None:
              kwargs = {}
  
          self.message_clients = [tgt(*args, **kwargs) for _ in range(sock_pool_size)]
  
subject: fix __init__