Revert of Fix pylint warnings in webkitpy/common/.

third_party/WebKit/Tools/Scripts/webkitpy/common/net/networktransaction_unittest.py

 # Copyright (c) 2010 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 35 matching lines @@
     def _raise_exception(self):
         raise self.exception
 
     def test_exception(self):
         transaction = NetworkTransaction()
         did_process_exception = False
         did_throw_exception = True
         try:
             transaction.run(self._raise_exception)
             did_throw_exception = False
-        except Exception as e:  # pylint: disable=broad-except
+        except Exception as e:
             did_process_exception = True
             self.assertEqual(e, self.exception)
         self.assertTrue(did_throw_exception)
         self.assertTrue(did_process_exception)
 
     def _raise_500_error(self):
         self._run_count += 1
         if self._run_count < 3:
             raise HTTPError("http://example.com/", 500, "internal server error", None, None)
         return 42
 
     def _raise_404_error(self):
         raise HTTPError("http://foo.com/", 404, "not found", None, None)
 
     def test_retry(self):
         transaction = NetworkTransaction(initial_backoff_seconds=0)
         self.assertEqual(transaction.run(self._raise_500_error), 42)
         self.assertEqual(self._run_count, 3)
         self.assertLog(['WARNING: Received HTTP status 500 loading "http://example.com/".  '
                         'Retrying in 0 seconds...\n',
                         'WARNING: Received HTTP status 500 loading "http://example.com/".  '
                         'Retrying in 0.0 seconds...\n'])
 
-    def test_convert_404_to_none(self):
+    def test_convert_404_to_None(self):
         transaction = NetworkTransaction(convert_404_to_None=True)
         self.assertIsNone(transaction.run(self._raise_404_error))
 
     def test_timeout(self):
         transaction = NetworkTransaction(initial_backoff_seconds=60 * 60, timeout_seconds=60)
         did_process_exception = False
         did_throw_exception = True
         try:
             transaction.run(self._raise_500_error)
             did_throw_exception = False
         except NetworkTimeout:
             did_process_exception = True
         self.assertTrue(did_throw_exception)
         self.assertTrue(did_process_exception)