old_contents: __author__ = 'jbjohnso'
  
  # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright 2014 Lenovo Corporation
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  #This file is responsible for a client-side communication method to enable
  #capabilities like measuring and rearranging the terminal window for
  #wcons
  
  import atexit
  import os
  import socket
  import stat
  import threading
  
  class TermHandler(object):
      def __init__(self, path):
          self.path = path
          self.socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
          try:
              os.remove(path)
          except OSError:  # if file does not exist, no big deal
              pass
          atexit.register(self.shutdown)
          self.socket.bind(path)
          os.chmod(path, stat.S_IWUSR | stat.S_IRUSR)
          th = threading.Thread(target=self.sockinteract)
          th.daemon = True
          th.start()
  
      def shutdown(self):
          try:
              os.remove(self.path)
          except OSError:
              pass
  
      def sockinteract(self):
          self.socket.listen(5)
          while True:
              connection = None
              try:
                  connection, address = self.socket.accept()
                  connection.sendall(b"confetty control v1--\n")
                  cmd = connection.recv(8)
                  if b'GETWINID' == cmd:
                      winid = os.environ['WINDOWID']
                      if not isinstance(winid, bytes):
                          winid = winid.encode('utf8')
                      connection.sendall(os.environ['WINDOWID'])
                  connection.close()
              except BaseException:
                  pass
              finally:
                  if connection is not None:
                      connection.close()
new_contents: __author__ = 'jbjohnso'
  
  # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright 2014 Lenovo Corporation
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  #This file is responsible for a client-side communication method to enable
  #capabilities like measuring and rearranging the terminal window for
  #wcons
  
  import atexit
  import os
  import socket
  import stat
  import threading
  
  class TermHandler(object):
      def __init__(self, path):
          self.path = path
          self.socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
          try:
              os.remove(path)
          except OSError:  # if file does not exist, no big deal
              pass
          atexit.register(self.shutdown)
          self.socket.bind(path)
          os.chmod(path, stat.S_IWUSR | stat.S_IRUSR)
          th = threading.Thread(target=self.sockinteract)
          th.daemon = True
          th.start()
  
      def shutdown(self):
          try:
              os.remove(self.path)
          except OSError:
              pass
  
      def sockinteract(self):
          self.socket.listen(5)
          while True:
              connection = None
              try:
                  connection, address = self.socket.accept()
                  connection.sendall(b"confetty control v1--\n")
                  cmd = connection.recv(8)
                  if b'GETWINID' == cmd:
                      winid = os.environ['WINDOWID']
                      if not isinstance(winid, bytes):
                          winid = winid.encode('utf8')
                      connection.sendall(winid)
                  connection.close()
              except BaseException:
                  pass
              finally:
                  if connection is not None:
                      connection.close()
  
subject: Correct fix for the python3 compatibility