Remove unused variable in test_urllibnet. (#1598) (#1599)

(cherry picked from commit 1bd7d29)

Author: orsenthil

Lib/test/test_urllibnet.py

@@ -12,6 +12,7 @@
 
 support.requires('network')
 
+
 class URLTimeoutTest(unittest.TestCase):
     # XXX this test doesn't seem to test anything useful.
 
@@ -26,7 +27,7 @@ def tearDown(self):
     def testURLread(self):
         with support.transient_internet("www.example.com"):
             f = urllib.request.urlopen("http://www.example.com/")
-            x = f.read()
+            f.read()
 
 
 class urlopenNetworkTests(unittest.TestCase):
@@ -189,6 +190,7 @@ def test_data_header(self):
 
     def test_reporthook(self):
         records = []
+
         def recording_reporthook(blocks, block_size, total_size):
             records.append((blocks, block_size, total_size))