code: def setUp(self):
      self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
      self.fp = self.sock.makefile("rb")
      self.test_headers = {
          "Host": "www.python.org",
          "Connection": "close",
      }
  
file_path: cpython/Lib/test/test_urllib_response.py
imports: import socket
  import tempfile
  import urllib.response
  import unittest
  from test import support
label_desc: Use image node_id 1 for calling the TestResponse obj's underlying member method code with example usage: obj.setUp() without return types