code: def recv(self, buffer_size):
      try:
          data = self.socket.recv(buffer_size)
          if not data:
              # a closed connection is indicated by signaling
              # a read condition, and having recv() return 0.
              self.handle_close()
              return b""
          else:
              return data
      except OSError as why:
          # winsock sometimes raises ENOTCONN
          if why.errno in _DISCONNECTED:
              self.handle_close()
              return b""
          else:
              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 15 for calling the dispatcher obj's underlying member method code with example usage: obj.recv(buffer_size) and returns: bytes, data, bytes