code: def close(self):
      self.connected = False
      self.accepting = False
      self.connecting = False
      self.del_channel()
      if self.socket is not None:
          try:
              self.socket.close()
          except OSError as why:
              if why.errno not in (ENOTCONN, EBADF):
                  raise
  
imports: import select
  import socket
  import sys
  import time
  import warnings
  import os
  from errno import EALREADY, EINPROGRESS, EWOULDBLOCK, ECONNRESET, EINVAL, ENOTCONN, ESHUTDOWN, EISCONN, EBADF, ECONNABORTED, EPIPE, EAGAIN, errorcode
label_desc: Use image node_id 16 for calling the dispatcher obj's underlying member method code with example usage: obj.close() without return types