r69209 caused the fp of HTTPResponse objects to be a io.BufferedReader instead of a socket.SocketIO.  This moves the underlying socket.socket object from r.fp._sock to r.fp.raw._sock.  Since _sock is an internal object, this should be ok. The change is for the testsuite only, to assert socket state.
diff --git a/Lib/test/test_urllib2net.py b/Lib/test/test_urllib2net.py
index a18a4bb..ee0f67e 100644
--- a/Lib/test/test_urllib2net.py
+++ b/Lib/test/test_urllib2net.py
@@ -195,7 +195,7 @@
     def test_http_basic(self):
         self.assertTrue(socket.getdefaulttimeout() is None)
         u = _urlopen_with_retry("http://www.python.org")
-        self.assertTrue(u.fp._sock.gettimeout() is None)
+        self.assertTrue(u.fp.raw._sock.gettimeout() is None)
 
     def test_http_default_timeout(self):
         self.assertTrue(socket.getdefaulttimeout() is None)
@@ -204,7 +204,7 @@
             u = _urlopen_with_retry("http://www.python.org")
         finally:
             socket.setdefaulttimeout(None)
-        self.assertEqual(u.fp._sock.gettimeout(), 60)
+        self.assertEqual(u.fp.raw._sock.gettimeout(), 60)
 
     def test_http_no_timeout(self):
         self.assertTrue(socket.getdefaulttimeout() is None)
@@ -213,11 +213,11 @@
             u = _urlopen_with_retry("http://www.python.org", timeout=None)
         finally:
             socket.setdefaulttimeout(None)
-        self.assertTrue(u.fp._sock.gettimeout() is None)
+        self.assertTrue(u.fp.raw._sock.gettimeout() is None)
 
     def test_http_timeout(self):
         u = _urlopen_with_retry("http://www.python.org", timeout=120)
-        self.assertEqual(u.fp._sock.gettimeout(), 120)
+        self.assertEqual(u.fp.raw._sock.gettimeout(), 120)
 
     FTP_HOST = "ftp://ftp.mirror.nl/pub/mirror/gnu/"