Merge pull request #436 from mikatammi/fix_port_forward_server_close

Add server_close after shutdown of ForwardServer

src/SSHLibrary/pythonforward.py

@@ -40,6 +40,7 @@ class SubHandler(LocalPortForwardingHandler):
  def close(self):
  if self.server:
  self.server.shutdown()
+ self.server.server_close()
  try:
  logger.log_background_messages()
  except AttributeError: